diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vnode.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.c | 100 |
1 files changed, 52 insertions, 48 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index ada24baf88de..814169fd7e1e 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -16,9 +16,21 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "xfs.h" +#include "xfs_vnodeops.h" +#include "xfs_bmap_btree.h" +#include "xfs_inode.h" + +/* + * And this gunk is needed for xfs_mount.h" + */ +#include "xfs_log.h" +#include "xfs_trans.h" +#include "xfs_sb.h" +#include "xfs_dmapi.h" +#include "xfs_inum.h" +#include "xfs_ag.h" +#include "xfs_mount.h" -uint64_t vn_generation; /* vnode generation number */ -DEFINE_SPINLOCK(vnumber_lock); /* * Dedicated vnode inactive/reclaim sync semaphores. @@ -39,19 +51,19 @@ vn_init(void) void vn_iowait( - bhv_vnode_t *vp) + xfs_inode_t *ip) { - wait_queue_head_t *wq = vptosync(vp); + wait_queue_head_t *wq = vptosync(ip); - wait_event(*wq, (atomic_read(&vp->v_iocount) == 0)); + wait_event(*wq, (atomic_read(&ip->i_iocount) == 0)); } void vn_iowake( - bhv_vnode_t *vp) + xfs_inode_t *ip) { - if (atomic_dec_and_test(&vp->v_iocount)) - wake_up(vptosync(vp)); + if (atomic_dec_and_test(&ip->i_iocount)) + wake_up(vptosync(ip)); } /* @@ -61,13 +73,13 @@ vn_iowake( */ void vn_ioerror( - bhv_vnode_t *vp, + xfs_inode_t *ip, int error, char *f, int l) { if (unlikely(error == -ENODEV)) - bhv_vfs_force_shutdown(vp->v_vfsp, SHUTDOWN_DEVICE_REQ, f, l); + xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, f, l); } bhv_vnode_t * @@ -79,27 +91,8 @@ vn_initialize( XFS_STATS_INC(vn_active); XFS_STATS_INC(vn_alloc); - vp->v_flag = VMODIFIED; - spinlock_init(&vp->v_lock, "v_lock"); - - spin_lock(&vnumber_lock); - if (!++vn_generation) /* v_number shouldn't be zero */ - vn_generation++; - vp->v_number = vn_generation; - spin_unlock(&vnumber_lock); - ASSERT(VN_CACHED(vp) == 0); - /* Initialize the first behavior and the behavior chain head. */ - vn_bhv_head_init(VN_BHV_HEAD(vp), "vnode"); - - atomic_set(&vp->v_iocount, 0); - -#ifdef XFS_VNODE_TRACE - vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP); -#endif /* XFS_VNODE_TRACE */ - - vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address); return vp; } @@ -150,12 +143,12 @@ __vn_revalidate( { int error; - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(xfs_vtoi(vp), __FUNCTION__, (inst_t *)__return_address); vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS; - error = bhv_vop_getattr(vp, vattr, 0, NULL); + error = xfs_getattr(xfs_vtoi(vp), vattr, 0); if (likely(!error)) { vn_revalidate_core(vp, vattr); - VUNMODIFY(vp); + xfs_iflags_clear(xfs_vtoi(vp), XFS_IMODIFIED); } return -error; } @@ -180,24 +173,35 @@ vn_hold( XFS_STATS_INC(vn_hold); - VN_LOCK(vp); inode = igrab(vn_to_inode(vp)); ASSERT(inode); - VN_UNLOCK(vp, 0); return vp; } #ifdef XFS_VNODE_TRACE -#define KTRACE_ENTER(vp, vk, s, line, ra) \ - ktrace_enter( (vp)->v_trace, \ +/* + * Reference count of Linux inode if present, -1 if the xfs_inode + * has no associated Linux inode. + */ +static inline int xfs_icount(struct xfs_inode *ip) +{ + bhv_vnode_t *vp = XFS_ITOV_NULL(ip); + + if (vp) + return vn_count(vp); + return -1; +} + +#define KTRACE_ENTER(ip, vk, s, line, ra) \ + ktrace_enter( (ip)->i_trace, \ /* 0 */ (void *)(__psint_t)(vk), \ /* 1 */ (void *)(s), \ /* 2 */ (void *)(__psint_t) line, \ -/* 3 */ (void *)(__psint_t)(vn_count(vp)), \ +/* 3 */ (void *)(__psint_t)xfs_icount(ip), \ /* 4 */ (void *)(ra), \ -/* 5 */ (void *)(__psunsigned_t)(vp)->v_flag, \ +/* 5 */ NULL, \ /* 6 */ (void *)(__psint_t)current_cpu(), \ /* 7 */ (void *)(__psint_t)current_pid(), \ /* 8 */ (void *)__return_address, \ @@ -207,32 +211,32 @@ vn_hold( * Vnode tracing code. */ void -vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra) +vn_trace_entry(xfs_inode_t *ip, const char *func, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_ENTRY, func, 0, ra); } void -vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra) +vn_trace_exit(xfs_inode_t *ip, const char *func, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_EXIT, func, 0, ra); } void -vn_trace_hold(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_HOLD, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_HOLD, file, line, ra); } void -vn_trace_ref(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_REF, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_REF, file, line, ra); } void -vn_trace_rele(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_RELE, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_RELE, file, line, ra); } #endif /* XFS_VNODE_TRACE */ |