diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/caps.c | 45 | ||||
| -rw-r--r-- | fs/ceph/inode.c | 2 | ||||
| -rw-r--r-- | fs/ceph/ioctl.c | 3 | ||||
| -rw-r--r-- | fs/ceph/super.h | 7 |
4 files changed, 35 insertions, 22 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 0a9406a8a794..a08d245f16f5 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -849,12 +849,14 @@ int __ceph_caps_used(struct ceph_inode_info *ci) */ int __ceph_caps_file_wanted(struct ceph_inode_info *ci) { - int want = 0; - int mode; - for (mode = 0; mode < CEPH_FILE_MODE_NUM; mode++) - if (ci->i_nr_by_mode[mode]) - want |= ceph_caps_for_mode(mode); - return want; + int i, bits = 0; + for (i = 0; i < CEPH_FILE_MODE_BITS; i++) { + if (ci->i_nr_by_mode[i]) + bits |= 1 << i; + } + if (bits == 0) + return 0; + return ceph_caps_for_mode(bits >> 1); } /* @@ -3682,6 +3684,16 @@ void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc) dout("flush_dirty_caps done\n"); } +void __ceph_get_fmode(struct ceph_inode_info *ci, int fmode) +{ + int i; + int bits = (fmode << 1) | 1; + for (i = 0; i < CEPH_FILE_MODE_BITS; i++) { + if (bits & (1 << i)) + ci->i_nr_by_mode[i]++; + } +} + /* * Drop open file reference. If we were the last open file, * we may need to release capabilities to the MDS (or schedule @@ -3689,15 +3701,20 @@ void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc) */ void ceph_put_fmode(struct ceph_inode_info *ci, int fmode) { - struct inode *inode = &ci->vfs_inode; - int last = 0; - + int i, last = 0; + int bits = (fmode << 1) | 1; spin_lock(&ci->i_ceph_lock); - dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode, - ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1); - BUG_ON(ci->i_nr_by_mode[fmode] == 0); - if (--ci->i_nr_by_mode[fmode] == 0) - last++; + for (i = 0; i < CEPH_FILE_MODE_BITS; i++) { + if (bits & (1 << i)) { + BUG_ON(ci->i_nr_by_mode[i] == 0); + if (--ci->i_nr_by_mode[i] == 0) + last++; + } + } + dout("put_fmode %p fmode %d {%d,%d,%d,%d}\n", + &ci->vfs_inode, fmode, + ci->i_nr_by_mode[0], ci->i_nr_by_mode[1], + ci->i_nr_by_mode[2], ci->i_nr_by_mode[3]); spin_unlock(&ci->i_ceph_lock); if (last && ci->i_vino.snap == CEPH_NOSNAP) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index dc032566ed71..8ca843371d4b 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -477,7 +477,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) ci->i_head_snapc = NULL; ci->i_snap_caps = 0; - for (i = 0; i < CEPH_FILE_MODE_NUM; i++) + for (i = 0; i < CEPH_FILE_MODE_BITS; i++) ci->i_nr_by_mode[i] = 0; mutex_init(&ci->i_truncate_mutex); diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c index 6a30101b55ef..7d752d53353a 100644 --- a/fs/ceph/ioctl.c +++ b/fs/ceph/ioctl.c @@ -250,9 +250,8 @@ static long ceph_ioctl_lazyio(struct file *file) if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) { spin_lock(&ci->i_ceph_lock); - ci->i_nr_by_mode[fi->fmode]--; fi->fmode |= CEPH_FILE_MODE_LAZY; - ci->i_nr_by_mode[fi->fmode]++; + ci->i_nr_by_mode[ffs(CEPH_FILE_MODE_LAZY)]++; spin_unlock(&ci->i_ceph_lock); dout("ioctl_layzio: file %p marked lazy\n", file); diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 7ceab18c8ee2..50846e6f6a8c 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -321,7 +321,7 @@ struct ceph_inode_info { dirty|flushing caps */ unsigned i_snap_caps; /* cap bits for snapped files */ - int i_nr_by_mode[CEPH_FILE_MODE_NUM]; /* open file counts */ + int i_nr_by_mode[CEPH_FILE_MODE_BITS]; /* open file counts */ struct mutex i_truncate_mutex; u32 i_truncate_seq; /* last truncate to smaller size */ @@ -906,10 +906,7 @@ extern int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, loff_t endoff, int *got, struct page **pinned_page); /* for counting open files by mode */ -static inline void __ceph_get_fmode(struct ceph_inode_info *ci, int mode) -{ - ci->i_nr_by_mode[mode]++; -} +extern void __ceph_get_fmode(struct ceph_inode_info *ci, int mode); extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode); /* addr.c */ |