diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2.c | 36 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2.h | 8 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2_priv.h | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap_item.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf.c | 45 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf_item.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_extfree_item.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_fsmap.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_icache.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode.c | 100 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode.h | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode_item.c | 12 | ||||
| -rw-r--r-- | fs/xfs/xfs_ioctl.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_iops.c | 118 | ||||
| -rw-r--r-- | fs/xfs/xfs_log.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_cil.c | 24 | ||||
| -rw-r--r-- | fs/xfs/xfs_pnfs.c | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_qm.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_refcount_item.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_rmap_item.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_trace.h | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans.c | 90 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans.h | 6 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans_ail.c | 47 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans_priv.h | 3 | ||||
| -rw-r--r-- | kernel/capability.c | 1 |
27 files changed, 344 insertions, 211 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 50546eadaae2..5f1e4799e8fa 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -19,7 +19,11 @@ #include "xfs_error.h" #include "xfs_trace.h" -struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR }; +const struct xfs_name xfs_name_dotdot = { + .name = (const unsigned char *)"..", + .len = 2, + .type = XFS_DIR3_FT_DIR, +}; /* * Convert inode mode to directory entry filetype @@ -54,10 +58,10 @@ xfs_mode_to_ftype( */ xfs_dahash_t xfs_ascii_ci_hashname( - struct xfs_name *name) + const struct xfs_name *name) { - xfs_dahash_t hash; - int i; + xfs_dahash_t hash; + int i; for (i = 0, hash = 0; i < name->len; i++) hash = tolower(name->name[i]) ^ rol32(hash, 7); @@ -243,7 +247,7 @@ int xfs_dir_createname( struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, + const struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_extlen_t total) /* bmap's total block count */ { @@ -337,16 +341,16 @@ xfs_dir_cilookup_result( int xfs_dir_lookup( - xfs_trans_t *tp, - xfs_inode_t *dp, - struct xfs_name *name, - xfs_ino_t *inum, /* out: inode number */ - struct xfs_name *ci_name) /* out: actual name if CI match */ + struct xfs_trans *tp, + struct xfs_inode *dp, + const struct xfs_name *name, + xfs_ino_t *inum, /* out: inode number */ + struct xfs_name *ci_name) /* out: actual name if CI match */ { - struct xfs_da_args *args; - int rval; - int v; /* type-checking value */ - int lock_mode; + struct xfs_da_args *args; + int rval; + int v; /* type-checking value */ + int lock_mode; ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_lookup); @@ -475,7 +479,7 @@ int xfs_dir_replace( struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, /* name of entry to replace */ + const struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_extlen_t total) /* bmap's total block count */ { @@ -728,7 +732,7 @@ xfs_dir2_namecheck( xfs_dahash_t xfs_dir2_hashname( struct xfs_mount *mp, - struct xfs_name *name) + const struct xfs_name *name) { if (unlikely(xfs_has_asciici(mp))) return xfs_ascii_ci_hashname(name); diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index d03e6098ded9..b6df3c34b26a 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -21,7 +21,7 @@ struct xfs_dir2_data_unused; struct xfs_dir3_icfree_hdr; struct xfs_dir3_icleaf_hdr; -extern struct xfs_name xfs_name_dotdot; +extern const struct xfs_name xfs_name_dotdot; /* * Convert inode mode to directory entry filetype @@ -39,16 +39,16 @@ extern int xfs_dir_isempty(struct xfs_inode *dp); extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_inode *pdp); extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, xfs_ino_t inum, + const struct xfs_name *name, xfs_ino_t inum, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, xfs_ino_t *inum, + const struct xfs_name *name, xfs_ino_t *inum, struct xfs_name *ci_name); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, xfs_ino_t inum, + const struct xfs_name *name, xfs_ino_t inum, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index 711709a2aa53..7404a9ff1a92 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -40,7 +40,7 @@ struct xfs_dir3_icfree_hdr { }; /* xfs_dir2.c */ -xfs_dahash_t xfs_ascii_ci_hashname(struct xfs_name *name); +xfs_dahash_t xfs_ascii_ci_hashname(const struct xfs_name *name); enum xfs_dacmp xfs_ascii_ci_compname(struct xfs_da_args *args, const unsigned char *name, int len); extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, @@ -201,7 +201,8 @@ xfs_dir2_data_entsize( return round_up(len, XFS_DIR2_DATA_ALIGN); } -xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp, struct xfs_name *name); +xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp, + const struct xfs_name *name); enum xfs_dacmp xfs_dir2_compname(struct xfs_da_args *args, const unsigned char *name, int len); diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c index e1f4d7d5a011..761dde155099 100644 --- a/fs/xfs/xfs_bmap_item.c +++ b/fs/xfs/xfs_bmap_item.c @@ -463,7 +463,7 @@ xfs_bui_item_recover( struct xfs_bui_log_item *buip = BUI_ITEM(lip); struct xfs_trans *tp; struct xfs_inode *ip = NULL; - struct xfs_mount *mp = lip->li_mountp; + struct xfs_mount *mp = lip->li_log->l_mp; struct xfs_map_extent *bmap; struct xfs_bud_log_item *budp; xfs_filblks_t count; diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 44795018df1d..e1afb9e503e1 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -14,6 +14,7 @@ #include "xfs_trace.h" #include "xfs_log.h" #include "xfs_log_recover.h" +#include "xfs_log_priv.h" #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_errortag.h" @@ -813,7 +814,15 @@ xfs_buf_read_map( * buffer. */ if (error) { - if (!xfs_is_shutdown(target->bt_mount)) + /* + * Check against log shutdown for error reporting because + * metadata writeback may require a read first and we need to + * report errors in metadata writeback until the log is shut + * down. High level transaction read functions already check + * against mount shutdown, anyway, so we only need to be + * concerned about low level IO interactions here. + */ + if (!xlog_is_shutdown(target->bt_mount->m_log)) xfs_buf_ioerror_alert(bp, fa); bp->b_flags &= ~XBF_DONE; @@ -1174,10 +1183,10 @@ xfs_buf_ioend_handle_error( struct xfs_error_cfg *cfg; /* - * If we've already decided to shutdown the filesystem because of I/O - * errors, there's no point in giving this a retry. + * If we've already shutdown the journal because of I/O errors, there's + * no point in giving this a retry. */ - if (xfs_is_shutdown(mp)) + if (xlog_is_shutdown(mp->m_log)) goto out_stale; xfs_buf_ioerror_alert_ratelimited(bp); @@ -1588,8 +1597,23 @@ __xfs_buf_submit( ASSERT(!(bp->b_flags & _XBF_DELWRI_Q)); - /* on shutdown we stale and complete the buffer immediately */ - if (xfs_is_shutdown(bp->b_mount)) { + /* + * On log shutdown we stale and complete the buffer immediately. We can + * be called to read the superblock before the log has been set up, so + * be careful checking the log state. + * + * Checking the mount shutdown state here can result in the log tail + * moving inappropriately on disk as the log may not yet be shut down. + * i.e. failing this buffer on mount shutdown can remove it from the AIL + * and move the tail of the log forwards without having written this + * buffer to disk. This corrupts the log tail state in memory, and + * because the log may not be shut down yet, it can then be propagated + * to disk before the log is shutdown. Hence we check log shutdown + * state here rather than mount state to avoid corrupting the log tail + * on shutdown. + */ + if (bp->b_mount->m_log && + xlog_is_shutdown(bp->b_mount->m_log)) { xfs_buf_ioend_fail(bp); return -EIO; } @@ -1803,10 +1827,10 @@ xfs_buftarg_drain( * If one or more failed buffers were freed, that means dirty metadata * was thrown away. This should only ever happen after I/O completion * handling has elevated I/O error(s) to permanent failures and shuts - * down the fs. + * down the journal. */ if (write_fail) { - ASSERT(xfs_is_shutdown(btp->bt_mount)); + ASSERT(xlog_is_shutdown(btp->bt_mount->m_log)); xfs_alert(btp->bt_mount, "Please run xfs_repair to determine the extent of the problem."); } @@ -2089,12 +2113,13 @@ xfs_buf_delwri_submit_buffers( blk_start_plug(&plug); list_for_each_entry_safe(bp, n, buffer_list, b_list) { if (!wait_list) { + if (!xfs_buf_trylock(bp)) + continue; if (xfs_buf_ispinned(bp)) { + xfs_buf_unlock(bp); pinned++; continue; } - if (!xfs_buf_trylock(bp)) - continue; } else { xfs_buf_lock(bp); } diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index a7a8e4528881..522d450a94b1 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -21,6 +21,7 @@ #include "xfs_dquot.h" #include "xfs_trace.h" #include "xfs_log.h" +#include "xfs_log_priv.h" struct kmem_cache *xfs_buf_item_cache; @@ -428,7 +429,7 @@ xfs_buf_item_format( * occurs during recovery. */ if (bip->bli_flags & XFS_BLI_INODE_BUF) { - if (xfs_has_v3inodes(lip->li_mountp) || + if (xfs_has_v3inodes(lip->li_log->l_mp) || !((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) && xfs_log_item_in_current_chkpt(lip))) bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF; @@ -616,7 +617,7 @@ xfs_buf_item_put( * that case, the bli is freed on buffer writeback completion. */ aborted = test_bit(XFS_LI_ABORTED, &lip->li_flags) || - xfs_is_shutdown(lip->li_mountp); + xlog_is_shutdown(lip->li_log); dirty = bip->bli_flags & XFS_BLI_DIRTY; if (dirty && !aborted) return false; diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 47ef9c9c5c17..0e50f2c9348e 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -604,7 +604,7 @@ xfs_efi_item_recover( struct list_head *capture_list) { struct xfs_efi_log_item *efip = EFI_ITEM(lip); - struct xfs_mount *mp = lip->li_mountp; + struct xfs_mount *mp = lip->li_log->l_mp; struct xfs_efd_log_item *efdp; struct xfs_trans *tp; struct xfs_extent *extp; diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c index 48287caad28b..10e1cb71439e 100644 --- a/fs/xfs/xfs_fsmap.c +++ b/fs/xfs/xfs_fsmap.c @@ -864,8 +864,8 @@ xfs_getfsmap( !xfs_getfsmap_is_valid_device(mp, &head->fmh_keys[1])) return -EINVAL; - use_rmap = capable(CAP_SYS_ADMIN) && - xfs_has_rmapbt(mp); + use_rmap = xfs_has_rmapbt(mp) && + has_capability_noaudit(current, CAP_SYS_ADMIN); head->fmh_entries = 0; /* Set up our device handlers. */ diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 9e434cb41e48..20186c584c7d 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -23,6 +23,7 @@ #include "xfs_reflink.h" #include "xfs_ialloc.h" #include "xfs_ag.h" +#include "xfs_log_priv.h" #include <linux/iversion.h> @@ -873,7 +874,14 @@ xfs_reclaim_inode( if (xfs_iflags_test_and_set(ip, XFS_IFLUSHING)) goto out_iunlock; - if (xfs_is_shutdown(ip->i_mount)) { + /* + * Check for log shutdown because aborting the inode can move the log + * tail and corrupt in memory state. This is fine if the log is shut + * down, but if the log is still active and only the mount is shut down + * then the in-memory log tail movement caused by the abort can be + * incorrectly propagated to disk. + */ + if (xlog_is_shutdown(ip->i_mount->m_log)) { xfs_iunpin_wait(ip); xfs_iflush_abort(ip); goto reclaim; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 04bf467b1090..26227d26f274 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -35,6 +35,7 @@ #include "xfs_bmap_btree.h" #include "xfs_reflink.h" #include "xfs_ag.h" +#include "xfs_log_priv.h" struct kmem_cache *xfs_inode_cache; @@ -658,9 +659,9 @@ xfs_ip2xflags( */ int xfs_lookup( - xfs_inode_t *dp, - struct xfs_name *name, - xfs_inode_t **ipp, + struct xfs_inode *dp, + const struct xfs_name *name, + struct xfs_inode **ipp, struct xfs_name *ci_name) { xfs_ino_t inum; @@ -1217,7 +1218,7 @@ xfs_link( { xfs_mount_t *mp = tdp->i_mount; xfs_trans_t *tp; - int error; + int error, nospace_error = 0; int resblks; trace_xfs_link(tdp, target_name); @@ -1236,19 +1237,11 @@ xfs_link( goto std_return; resblks = XFS_LINK_SPACE_RES(mp, target_name->len); - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, resblks, 0, 0, &tp); - if (error == -ENOSPC) { - resblks = 0; - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, 0, 0, 0, &tp); - } + error = xfs_trans_alloc_dir(tdp, &M_RES(mp)->tr_link, sip, &resblks, + &tp, &nospace_error); if (error) goto std_return; - xfs_lock_two_inodes(sip, XFS_ILOCK_EXCL, tdp, XFS_ILOCK_EXCL); - - xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL); - error = xfs_iext_count_may_overflow(tdp, XFS_DATA_FORK, XFS_IEXT_DIR_MANIP_CNT(mp)); if (error) @@ -1306,6 +1299,8 @@ xfs_link( error_return: xfs_trans_cancel(tp); std_return: + if (error == -ENOSPC && nospace_error) + error = nospace_error; return error; } @@ -2755,6 +2750,7 @@ xfs_remove( xfs_mount_t *mp = dp->i_mount; xfs_trans_t *tp = NULL; int is_dir = S_ISDIR(VFS_I(ip)->i_mode); + int dontcare; int error = 0; uint resblks; @@ -2772,31 +2768,24 @@ xfs_remove( goto std_return; /* - * We try to get the real space reservation first, - * allowing for directory btree deletion(s) implying - * possible bmap insert(s). If we can't get the space - * reservation then we use 0 instead, and avoid the bmap - * btree insert(s) in the directory code by, if the bmap - * insert tries to happen, instead trimming the LAST - * block from the directory. + * We try to get the real space reservation first, allowing for + * directory btree deletion(s) implying possible bmap insert(s). If we + * can't get the space reservation then we use 0 instead, and avoid the + * bmap btree insert(s) in the directory code by, if the bmap insert + * tries to happen, instead trimming the LAST block from the directory. + * + * Ignore EDQUOT and ENOSPC being returned via nospace_error because + * the directory code can handle a reservationless update and we don't + * want to prevent a user from trying to free space by deleting things. */ resblks = XFS_REMOVE_SPACE_RES(mp); - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, resblks, 0, 0, &tp); - if (error == -ENOSPC) { - resblks = 0; - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0, - &tp); - } + error = xfs_trans_alloc_dir(dp, &M_RES(mp)->tr_remove, ip, &resblks, + &tp, &dontcare); if (error) { ASSERT(error != -ENOSPC); goto std_return; } - xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL); - - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - /* * If we're removing a directory perform some additional validation. */ @@ -3109,7 +3098,8 @@ xfs_rename( bool new_parent = (src_dp != target_dp); bool src_is_directory = S_ISDIR(VFS_I(src_ip)->i_mode); int spaceres; - int error; + bool retried = false; + int error, nospace_error = 0; trace_xfs_rename(src_dp, target_dp, src_name, target_name); @@ -3133,9 +3123,12 @@ xfs_rename( xfs_sort_for_rename(src_dp, target_dp, src_ip, target_ip, wip, inodes, &num_inodes); +retry: + nospace_error = 0; spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len); error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, spaceres, 0, 0, &tp); if (error == -ENOSPC) { + nospace_error = error; spaceres = 0; error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, 0, 0, 0, &tp); @@ -3190,6 +3183,31 @@ xfs_rename( spaceres); /* + * Try to reserve quota to handle an expansion of the target directory. + * We'll allow the rename to continue in reservationless mode if we hit + * a space usage constraint. If we trigger reservationless mode, save + * the errno if there isn't any free space in the target directory. + */ + if (spaceres != 0) { + error = xfs_trans_reserve_quota_nblks(tp, target_dp, spaceres, + 0, false); + if (error == -EDQUOT || error == -ENOSPC) { + if (!retried) { + xfs_trans_cancel(tp); + xfs_blockgc_free_quota(target_dp, 0); + retried = true; + goto retry; + } + + nospace_error = error; + spaceres = 0; + error = 0; + } + if (error) + goto out_trans_cancel; + } + + /* * Check for expected errors before we dirty the transaction * so we can return an error without a transaction abort. * @@ -3435,6 +3453,8 @@ out_trans_cancel: out_release_wip: if (wip) xfs_irele(wip); + if (error == -ENOSPC && nospace_error) + error = nospace_error; return error; } @@ -3659,7 +3679,7 @@ xfs_iflush_cluster( * AIL, leaving a dirty/unpinned inode attached to the buffer * that otherwise looks like it should be flushed. */ - if (xfs_is_shutdown(mp)) { + if (xlog_is_shutdown(mp->m_log)) { xfs_iunpin_wait(ip); xfs_iflush_abort(ip); xfs_iunlock(ip, XFS_ILOCK_SHARED); @@ -3685,9 +3705,19 @@ xfs_iflush_cluster( } if (error) { + /* + * Shutdown first so we kill the log before we release this + * buffer. If it is an INODE_ALLOC buffer and pins the tail + * of the log, failing it before the _log_ is shut down can + * result in the log tail being moved forward in the journal + * on disk because log writes can still be taking place. Hence + * unpinning the tail will allow the ICREATE intent to be + * removed from the log an recovery will fail with uninitialised + * inode cluster buffers. + */ + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); bp->b_flags |= XBF_ASYNC; xfs_buf_ioend_fail(bp); - xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); return error; } diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index b7e8f14d9fca..740ab13d1aa2 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -402,7 +402,7 @@ enum layout_break_reason { int xfs_release(struct xfs_inode *ip); void xfs_inactive(struct xfs_inode *ip); -int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, +int xfs_lookup(struct xfs_inode *dp, const struct xfs_name *name, struct xfs_inode **ipp, struct xfs_name *ci_name); int xfs_create(struct user_namespace *mnt_userns, struct xfs_inode *dp, struct xfs_name *name, diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 90d8e591baf8..11158fa81a09 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -17,6 +17,7 @@ #include "xfs_trans_priv.h" #include "xfs_buf_item.h" #include "xfs_log.h" +#include "xfs_log_priv.h" #include "xfs_error.h" #include <linux/iversion.h> @@ -720,6 +721,17 @@ xfs_iflush_ail_updates( if (INODE_ITEM(lip)->ili_flush_lsn != lip->li_lsn) continue; + /* + * dgc: Not sure how this happens, but it happens very + * occassionaly via generic/388. xfs_iflush_abort() also + * silently handles this same "under writeback but not in AIL at + * shutdown" condition via xfs_trans_ail_delete(). + */ + if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) { + ASSERT(xlog_is_shutdown(lip->li_log)); + continue; + } + lsn = xfs_ail_delete_one(ailp, lip); if (!tail_lsn && lsn) tail_lsn = lsn; diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 2515fe8299e1..83481005317a 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1189,7 +1189,7 @@ xfs_ioctl_setattr_get_trans( goto out_error; error = xfs_trans_alloc_ichange(ip, NULL, NULL, pdqp, - capable(CAP_FOWNER), &tp); + has_capability_noaudit(current, CAP_FOWNER), &tp); if (error) goto out_error; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index b79b3846e71b..b34e8e4344a8 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -613,37 +613,6 @@ xfs_vn_getattr( return 0; } -static void -xfs_setattr_mode( - struct xfs_inode *ip, - struct iattr *iattr) -{ - struct inode *inode = VFS_I(ip); - umode_t mode = iattr->ia_mode; - - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - - inode->i_mode &= S_IFMT; - inode->i_mode |= mode & ~S_IFMT; -} - -void -xfs_setattr_time( - struct xfs_inode *ip, - struct iattr *iattr) -{ - struct inode *inode = VFS_I(ip); - - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - - if (iattr->ia_valid & ATTR_ATIME) - inode->i_atime = iattr->ia_atime; - if (iattr->ia_valid & ATTR_CTIME) - inode->i_ctime = iattr->ia_ctime; - if (iattr->ia_valid & ATTR_MTIME) - inode->i_mtime = iattr->ia_mtime; -} - static int xfs_vn_change_ok( struct user_namespace *mnt_userns, @@ -678,10 +647,10 @@ xfs_setattr_nonsize( int mask = iattr->ia_valid; xfs_trans_t *tp; int error; - kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID; - kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID; + kuid_t uid = GLOBAL_ROOT_UID; + kgid_t gid = GLOBAL_ROOT_GID; struct xfs_dquot *udqp = NULL, *gdqp = NULL; - struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL; + struct xfs_dquot *old_udqp = NULL, *old_gdqp = NULL; ASSERT((mask & ATTR_SIZE) == 0); @@ -723,66 +692,30 @@ xfs_setattr_nonsize( } error = xfs_trans_alloc_ichange(ip, udqp, gdqp, NULL, - capable(CAP_FOWNER), &tp); + has_capability_noaudit(current, CAP_FOWNER), &tp); if (error) goto out_dqrele; /* - * Change file ownership. Must be the owner or privileged. + * Register quota modifications in the transaction. Must be the owner + * or privileged. These IDs could have changed since we last looked at + * them. But, we're assured that if the ownership did change while we + * didn't have the inode locked, inode's dquot(s) would have changed + * also. */ - if (mask & (ATTR_UID|ATTR_GID)) { - /* - * These IDs could have changed since we last looked at them. - * But, we're assured that if the ownership did change - * while we didn't have the inode locked, inode's dquot(s) - * would have changed also. - */ - iuid = inode->i_uid; - igid = inode->i_gid; - gid = (mask & ATTR_GID) ? iattr->ia_gid : igid; - uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid; - - /* - * CAP_FSETID overrides the following restrictions: - * - * The set-user-ID and set-group-ID bits of a file will be - * cleared upon successful return from chown() - */ - if ((inode->i_mode & (S_ISUID|S_ISGID)) && - !capable(CAP_FSETID)) - inode->i_mode &= ~(S_ISUID|S_ISGID); - - /* - * Change the ownerships and register quota modifications - * in the transaction. - */ - if (!uid_eq(iuid, uid)) { - if (XFS_IS_UQUOTA_ON(mp)) { - ASSERT(mask & ATTR_UID); - ASSERT(udqp); - olddquot1 = xfs_qm_vop_chown(tp, ip, - &ip->i_udquot, udqp); - } - inode->i_uid = uid; - } - if (!gid_eq(igid, gid)) { - if (XFS_IS_GQUOTA_ON(mp)) { - ASSERT(xfs_has_pquotino(mp) || - !XFS_IS_PQUOTA_ON(mp)); - ASSERT(mask & ATTR_GID); - ASSERT(gdqp); - olddquot2 = xfs_qm_vop_chown(tp, ip, - &ip->i_gdquot, gdqp); - } - inode->i_gid = gid; - } + if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp) && + !uid_eq(inode->i_uid, iattr->ia_uid)) { + ASSERT(udqp); + old_udqp = xfs_qm_vop_chown(tp, ip, &ip->i_udquot, udqp); + } + if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp) && + !gid_eq(inode->i_gid, iattr->ia_gid)) { + ASSERT(xfs_has_pquotino(mp) || !XFS_IS_PQUOTA_ON(mp)); + ASSERT(gdqp); + old_gdqp = xfs_qm_vop_chown(tp, ip, &ip->i_gdquot, gdqp); } - if (mask & ATTR_MODE) - xfs_setattr_mode(ip, iattr); - if (mask & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME)) - xfs_setattr_time(ip, iattr); - + setattr_copy(mnt_userns, inode, iattr); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); XFS_STATS_INC(mp, xs_ig_attrchg); @@ -794,8 +727,8 @@ xfs_setattr_nonsize( /* * Release any dquot(s) the inode had kept before chown. */ - xfs_qm_dqrele(olddquot1); - xfs_qm_dqrele(olddquot2); + xfs_qm_dqrele(old_udqp); + xfs_qm_dqrele(old_gdqp); xfs_qm_dqrele(udqp); xfs_qm_dqrele(gdqp); @@ -1006,11 +939,8 @@ xfs_setattr_size( xfs_inode_clear_eofblocks_tag(ip); } - if (iattr->ia_valid & ATTR_MODE) - xfs_setattr_mode(ip, iattr); - if (iattr->ia_valid & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME)) - xfs_setattr_time(ip, iattr); - + ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID))); + setattr_copy(mnt_userns, inode, iattr); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); XFS_STATS_INC(mp, xs_ig_attrchg); diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 16f9edbda4eb..a8034c0afdf2 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -812,10 +812,9 @@ xfs_log_mount_finish( * mount failure occurs. */ mp->m_super->s_flags |= SB_ACTIVE; + xfs_log_work_queue(mp); if (xlog_recovery_needed(log)) error = xlog_recover_finish(log); - if (!error) - xfs_log_work_queue(mp); mp->m_super->s_flags &= ~SB_ACTIVE; evict_inodes(mp->m_super); @@ -1102,7 +1101,7 @@ xfs_log_item_init( int type, const struct xfs_item_ops *ops) { - item->li_mountp = mp; + item->li_log = mp->m_log; item->li_ailp = mp->m_ail; item->li_type = type; item->li_ops = ops; diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 83a039762b81..796e4464f809 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -1243,18 +1243,27 @@ xlog_cil_push_now( if (!async) flush_workqueue(cil->xc_push_wq); + spin_lock(&cil->xc_push_lock); + + /* + * If this is an async flush request, we always need to set the + * xc_push_commit_stable flag even if something else has already queued + * a push. The flush caller is asking for the CIL to be on stable + * storage when the next push completes, so regardless of who has queued + * the push, the flush requires stable semantics from it. + */ + cil->xc_push_commit_stable = async; + /* * If the CIL is empty or we've already pushed the sequence then - * there's no work we need to do. + * there's no more work that we need to do. */ - spin_lock(&cil->xc_push_lock); if (list_empty(&cil->xc_cil) || push_seq <= cil->xc_push_seq) { spin_unlock(&cil->xc_push_lock); return; } cil->xc_push_seq = push_seq; - cil->xc_push_commit_stable = async; queue_work(cil->xc_push_wq, &cil->xc_ctx->push_work); spin_unlock(&cil->xc_push_lock); } @@ -1352,6 +1361,13 @@ xlog_cil_flush( trace_xfs_log_force(log->l_mp, seq, _RET_IP_); xlog_cil_push_now(log, seq, true); + + /* + * If the CIL is empty, make sure that any previous checkpoint that may + * still be in an active iclog is pushed to stable storage. + */ + if (list_empty(&log->l_cilp->xc_cil)) + xfs_log_force(log->l_mp, 0); } /* @@ -1468,7 +1484,7 @@ bool xfs_log_item_in_current_chkpt( struct xfs_log_item *lip) { - struct xfs_cil *cil = lip->li_mountp->m_log->l_cilp; + struct xfs_cil *cil = lip->li_log->l_cilp; if (list_empty(&lip->li_cil)) return false; diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c index 4abe17312c2b..37a24f0f7cd4 100644 --- a/fs/xfs/xfs_pnfs.c +++ b/fs/xfs/xfs_pnfs.c @@ -319,7 +319,8 @@ xfs_fs_commit_blocks( xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - xfs_setattr_time(ip, iattr); + ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID))); + setattr_copy(&init_user_ns, inode, iattr); if (update_isize) { i_size_write(inode, iattr->ia_size); ip->i_disk_size = iattr->ia_size; diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 32ac8d9c8940..f165d1a3de1d 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -25,6 +25,7 @@ #include "xfs_error.h" #include "xfs_ag.h" #include "xfs_ialloc.h" +#include "xfs_log_priv.h" /* * The global quota manager. There is only one of these for the entire @@ -121,8 +122,7 @@ xfs_qm_dqpurge( struct xfs_dquot *dqp, void *data) { - struct xfs_mount *mp = dqp->q_mount; - struct xfs_quotainfo *qi = mp->m_quotainfo; + struct xfs_quotainfo *qi = dqp->q_mount->m_quotainfo; int error = -EAGAIN; xfs_dqlock(dqp); @@ -157,7 +157,7 @@ xfs_qm_dqpurge( } ASSERT(atomic_read(&dqp->q_pincount) == 0); - ASSERT(xfs_is_shutdown(mp) || + ASSERT(xlog_is_shutdown(dqp->q_logitem.qli_item.li_log) || !test_bit(XFS_LI_IN_AIL, &dqp->q_logitem.qli_item.li_flags)); xfs_dqfunlock(dqp); @@ -172,7 +172,7 @@ xfs_qm_dqpurge( */ ASSERT(!list_empty(&dqp->q_lru)); list_lru_del(&qi->qi_lru, &dqp->q_lru); - XFS_STATS_DEC(mp, xs_qm_dquot_unused); + XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused); xfs_qm_dqdestroy(dqp); return 0; diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index d3da67772d57..0d868c93144d 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -457,7 +457,7 @@ xfs_cui_item_recover( struct xfs_cud_log_item *cudp; struct xfs_trans *tp; struct xfs_btree_cur *rcur = NULL; - struct xfs_mount *mp = lip->li_mountp; + struct xfs_mount *mp = lip->li_log->l_mp; xfs_fsblock_t new_fsb; xfs_extlen_t new_len; unsigned int refc_type; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index db70060e7bf6..54e68e5693fd 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -425,7 +425,10 @@ convert: if (!convert_now || cmap->br_state == XFS_EXT_NORM) return 0; trace_xfs_reflink_convert_cow(ip, cmap); - return xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb); + error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb); + if (!error) + cmap->br_state = XFS_EXT_NORM; + return error; out_trans_cancel: xfs_trans_cancel(tp); diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c index c3966b4c58ef..a22b2d19ef91 100644 --- a/fs/xfs/xfs_rmap_item.c +++ b/fs/xfs/xfs_rmap_item.c @@ -510,7 +510,7 @@ xfs_rui_item_recover( struct xfs_rud_log_item *rudp; struct xfs_trans *tp; struct xfs_btree_cur *rcur = NULL; - struct xfs_mount *mp = lip->li_mountp; + struct xfs_mount *mp = lip->li_log->l_mp; enum xfs_rmap_intent_type type; xfs_exntst_t state; int i; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 4a8076ef8cb4..b141ef78c755 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -933,7 +933,7 @@ DEFINE_IREF_EVENT(xfs_inode_unpin); DEFINE_IREF_EVENT(xfs_inode_unpin_nowait); DECLARE_EVENT_CLASS(xfs_namespace_class, - TP_PROTO(struct xfs_inode *dp, struct xfs_name *name), + TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name), TP_ARGS(dp, name), TP_STRUCT__entry( __field(dev_t, dev) @@ -956,7 +956,7 @@ DECLARE_EVENT_CLASS(xfs_namespace_class, #define DEFINE_NAMESPACE_EVENT(name) \ DEFINE_EVENT(xfs_namespace_class, name, \ - TP_PROTO(struct xfs_inode *dp, struct xfs_name *name), \ + TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name), \ TP_ARGS(dp, name)) DEFINE_NAMESPACE_EVENT(xfs_remove); DEFINE_NAMESPACE_EVENT(xfs_link); @@ -1308,7 +1308,7 @@ DECLARE_EVENT_CLASS(xfs_log_item_class, __field(xfs_lsn_t, lsn) ), TP_fast_assign( - __entry->dev = lip->li_mountp->m_super->s_dev; + __entry->dev = lip->li_log->l_mp->m_super->s_dev; __entry->lip = lip; __entry->type = lip->li_type; __entry->flags = lip->li_flags; @@ -1361,7 +1361,7 @@ DECLARE_EVENT_CLASS(xfs_ail_class, __field(xfs_lsn_t, new_lsn) ), TP_fast_assign( - __entry->dev = lip->li_mountp->m_super->s_dev; + __entry->dev = lip->li_log->l_mp->m_super->s_dev; __entry->lip = lip; __entry->type = lip->li_type; __entry->flags = lip->li_flags; diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 59e2f9031b9f..917a69f0a6ff 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -648,7 +648,7 @@ xfs_trans_add_item( struct xfs_trans *tp, struct xfs_log_item *lip) { - ASSERT(lip->li_mountp == tp->t_mountp); + ASSERT(lip->li_log == tp->t_mountp->m_log); ASSERT(lip->li_ailp == tp->t_mountp->m_ail); ASSERT(list_empty(&lip->li_trans)); ASSERT(!test_bit(XFS_LI_DIRTY, &lip->li_flags)); @@ -775,7 +775,7 @@ xfs_trans_committed_bulk( * object into the AIL as we are in a shutdown situation. */ if (aborted) { - ASSERT(xfs_is_shutdown(ailp->ail_mount)); + ASSERT(xlog_is_shutdown(ailp->ail_log)); if (lip->li_ops->iop_unpin) lip->li_ops->iop_unpin(lip, 1); continue; @@ -1210,3 +1210,89 @@ out_cancel: xfs_trans_cancel(tp); return error; } + +/* + * Allocate an transaction, lock and join the directory and child inodes to it, + * and reserve quota for a directory update. If there isn't sufficient space, + * @dblocks will be set to zero for a reservationless directory update and + * @nospace_error will be set to a negative errno describing the space + * constraint we hit. + * + * The caller must ensure that the on-disk dquots attached to this inode have + * already been allocated and initialized. The ILOCKs will be dropped when the + * transaction is committed or cancelled. + */ +int +xfs_trans_alloc_dir( + struct xfs_inode *dp, + struct xfs_trans_res *resv, + struct xfs_inode *ip, + unsigned int *dblocks, + struct xfs_trans **tpp, + int *nospace_error) +{ + struct xfs_trans *tp; + struct xfs_mount *mp = ip->i_mount; + unsigned int resblks; + bool retried = false; + int error; + +retry: + *nospace_error = 0; + resblks = *dblocks; + error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp); + if (error == -ENOSPC) { + *nospace_error = error; + resblks = 0; + error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp); + } + if (error) + return error; + + xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL); + + xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + + error = xfs_qm_dqattach_locked(dp, false); + if (error) { + /* Caller should have allocated the dquots! */ + ASSERT(error != -ENOENT); + goto out_cancel; + } + + error = xfs_qm_dqattach_locked(ip, false); + if (error) { + /* Caller should have allocated the dquots! */ + ASSERT(error != -ENOENT); + goto out_cancel; + } + + if (resblks == 0) + goto done; + + error = xfs_trans_reserve_quota_nblks(tp, dp, resblks, 0, false); + if (error == -EDQUOT || error == -ENOSPC) { + if (!retried) { + xfs_trans_cancel(tp); + xfs_blockgc_free_quota(dp, 0); + retried = true; + goto retry; + } + + *nospace_error = error; + resblks = 0; + error = 0; + } + if (error) + goto out_cancel; + +done: + *tpp = tp; + *dblocks = resblks; + return 0; + +out_cancel: + xfs_trans_cancel(tp); + return error; +} diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index a487b264a9eb..de177842b951 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -8,6 +8,7 @@ /* kernel only transaction subsystem defines */ +struct xlog; struct xfs_buf; struct xfs_buftarg; struct xfs_efd_log_item; @@ -31,7 +32,7 @@ struct xfs_log_item { struct list_head li_ail; /* AIL pointers */ struct list_head li_trans; /* transaction list */ xfs_lsn_t li_lsn; /* last on-disk lsn */ - struct xfs_mount *li_mountp; /* ptr to fs mount */ + struct xlog *li_log; struct xfs_ail *li_ailp; /* ptr to AIL */ uint li_type; /* item type */ unsigned long li_flags; /* misc flags */ @@ -259,6 +260,9 @@ int xfs_trans_alloc_icreate(struct xfs_mount *mp, struct xfs_trans_res *resv, int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp, struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, bool force, struct xfs_trans **tpp); +int xfs_trans_alloc_dir(struct xfs_inode *dp, struct xfs_trans_res *resv, + struct xfs_inode *ip, unsigned int *dblocks, + struct xfs_trans **tpp, int *nospace_error); static inline void xfs_trans_set_context( diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index 2a8c8dc54c95..c2ccb98c7bcd 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -398,7 +398,7 @@ xfsaild_push_item( * If log item pinning is enabled, skip the push and track the item as * pinned. This can help induce head-behind-tail conditions. */ - if (XFS_TEST_ERROR(false, ailp->ail_mount, XFS_ERRTAG_LOG_ITEM_PIN)) + if (XFS_TEST_ERROR(false, ailp->ail_log->l_mp, XFS_ERRTAG_LOG_ITEM_PIN)) return XFS_ITEM_PINNED; /* @@ -418,7 +418,7 @@ static long xfsaild_push( struct xfs_ail *ailp) { - xfs_mount_t *mp = ailp->ail_mount; + struct xfs_mount *mp = ailp->ail_log->l_mp; struct xfs_ail_cursor cur; struct xfs_log_item *lip; xfs_lsn_t lsn; @@ -443,15 +443,27 @@ xfsaild_push( ailp->ail_log_flush = 0; XFS_STATS_INC(mp, xs_push_ail_flush); - xlog_cil_flush(mp->m_log); + xlog_cil_flush(ailp->ail_log); } spin_lock(&ailp->ail_lock); - /* barrier matches the ail_target update in xfs_ail_push() */ - smp_rmb(); - target = ailp->ail_target; - ailp->ail_target_prev = target; + /* + * If we have a sync push waiter, we always have to push till the AIL is + * empty. Update the target to point to the end of the AIL so that + * capture updates that occur after the sync push waiter has gone to + * sleep. + */ + if (waitqueue_active(&ailp->ail_empty)) { + lip = xfs_ail_max(ailp); + if (lip) + target = lip->li_lsn; + } else { + /* barrier matches the ail_target update in xfs_ail_push() */ + smp_rmb(); + target = ailp->ail_target; + ailp->ail_target_prev = target; + } /* we're done if the AIL is empty or our push has reached the end */ lip = xfs_trans_ail_cursor_first(ailp, &cur, ailp->ail_last_pushed_lsn); @@ -620,7 +632,7 @@ xfsaild( * opportunity to release such buffers from the queue. */ ASSERT(list_empty(&ailp->ail_buf_list) || - xfs_is_shutdown(ailp->ail_mount)); + xlog_is_shutdown(ailp->ail_log)); xfs_buf_delwri_cancel(&ailp->ail_buf_list); break; } @@ -683,7 +695,7 @@ xfs_ail_push( struct xfs_log_item *lip; lip = xfs_ail_min(ailp); - if (!lip || xfs_is_shutdown(ailp->ail_mount) || + if (!lip || xlog_is_shutdown(ailp->ail_log) || XFS_LSN_CMP(threshold_lsn, ailp->ail_target) <= 0) return; @@ -724,7 +736,6 @@ xfs_ail_push_all_sync( spin_lock(&ailp->ail_lock); while ((lip = xfs_ail_max(ailp)) != NULL) { prepare_to_wait(&ailp->ail_empty, &wait, TASK_UNINTERRUPTIBLE); - ailp->ail_target = lip->li_lsn; wake_up_process(ailp->ail_task); spin_unlock(&ailp->ail_lock); schedule(); @@ -740,7 +751,7 @@ xfs_ail_update_finish( struct xfs_ail *ailp, xfs_lsn_t old_lsn) __releases(ailp->ail_lock) { - struct xfs_mount *mp = ailp->ail_mount; + struct xlog *log = ailp->ail_log; /* if the tail lsn hasn't changed, don't do updates or wakeups. */ if (!old_lsn || old_lsn == __xfs_ail_min_lsn(ailp)) { @@ -748,13 +759,13 @@ xfs_ail_update_finish( return; } - if (!xfs_is_shutdown(mp)) - xlog_assign_tail_lsn_locked(mp); + if (!xlog_is_shutdown(log)) + xlog_assign_tail_lsn_locked(log->l_mp); if (list_empty(&ailp->ail_head)) wake_up_all(&ailp->ail_empty); spin_unlock(&ailp->ail_lock); - xfs_log_space_wake(mp); + xfs_log_space_wake(log->l_mp); } /* @@ -862,13 +873,13 @@ xfs_trans_ail_delete( int shutdown_type) { struct xfs_ail *ailp = lip->li_ailp; - struct xfs_mount *mp = ailp->ail_mount; + struct xfs_mount *mp = ailp->ail_log->l_mp; xfs_lsn_t tail_lsn; spin_lock(&ailp->ail_lock); if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) { spin_unlock(&ailp->ail_lock); - if (shutdown_type && !xfs_is_shutdown(mp)) { + if (shutdown_type && !xlog_is_shutdown(ailp->ail_log)) { xfs_alert_tag(mp, XFS_PTAG_AILDELETE, "%s: attempting to delete a log item that is not in the AIL", __func__); @@ -893,7 +904,7 @@ xfs_trans_ail_init( if (!ailp) return -ENOMEM; - ailp->ail_mount = mp; + ailp->ail_log = mp->m_log; INIT_LIST_HEAD(&ailp->ail_head); INIT_LIST_HEAD(&ailp->ail_cursors); spin_lock_init(&ailp->ail_lock); @@ -901,7 +912,7 @@ xfs_trans_ail_init( init_waitqueue_head(&ailp->ail_empty); ailp->ail_task = kthread_run(xfsaild, ailp, "xfsaild/%s", - ailp->ail_mount->m_super->s_id); + mp->m_super->s_id); if (IS_ERR(ailp->ail_task)) goto out_free_ailp; diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h index 3004aeac9110..f0d79a9050ba 100644 --- a/fs/xfs/xfs_trans_priv.h +++ b/fs/xfs/xfs_trans_priv.h @@ -6,6 +6,7 @@ #ifndef __XFS_TRANS_PRIV_H__ #define __XFS_TRANS_PRIV_H__ +struct xlog; struct xfs_log_item; struct xfs_mount; struct xfs_trans; @@ -50,7 +51,7 @@ struct xfs_ail_cursor { * Eventually we need to drive the locking in here as well. */ struct xfs_ail { - struct xfs_mount *ail_mount; + struct xlog *ail_log; struct task_struct *ail_task; struct list_head ail_head; xfs_lsn_t ail_target; diff --git a/kernel/capability.c b/kernel/capability.c index 46a361dde042..765194f5d678 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -360,6 +360,7 @@ bool has_capability_noaudit(struct task_struct *t, int cap) { return has_ns_capability_noaudit(t, &init_user_ns, cap); } +EXPORT_SYMBOL(has_capability_noaudit); static bool ns_capable_common(struct user_namespace *ns, int cap, |