diff options
| -rw-r--r-- | fs/xfs/scrub/common.c | 37 | ||||
| -rw-r--r-- | fs/xfs/scrub/common.h | 2 | ||||
| -rw-r--r-- | fs/xfs/scrub/ialloc.c | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_icache.c | 38 | ||||
| -rw-r--r-- | fs/xfs/xfs_icache.h | 4 |
5 files changed, 40 insertions, 44 deletions
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c index 82d2a85d6461..3ba329526266 100644 --- a/fs/xfs/scrub/common.c +++ b/fs/xfs/scrub/common.c @@ -1230,3 +1230,40 @@ xchk_fsgates_enable( sc->flags |= scrub_fsgates; } + +/* + * Decide if this is this a cached inode that's also allocated. + * + * Look up an inode by number in the given file system. If the inode is + * in cache and isn't in purgatory, return 1 if the inode is allocated + * and 0 if it is not. For all other cases (not in cache, being torn + * down, etc.), return a negative error code. + * + * The caller has to prevent inode allocation and freeing activity, + * presumably by locking the AGI buffer. This is to ensure that an + * inode cannot transition from allocated to freed until the caller is + * ready to allow that. If the inode is in an intermediate state (new, + * reclaimable, or being reclaimed), -EAGAIN will be returned; if the + * inode is not in the cache, -ENOENT will be returned. The caller must + * deal with these scenarios appropriately. + * + * This is a specialized use case for the online scrubber; if you're + * reading this, you probably want xfs_iget. + */ +int +xchk_inode_is_allocated( + struct xfs_scrub *sc, + xfs_ino_t ino, + bool *inuse) +{ + struct xfs_inode *ip; + int error; + + error = xfs_iget(sc->mp, sc->tp, ino, XFS_IGET_INCORE, 0, &ip); + if (error) + return error; + + *inuse = !!(VFS_I(ip)->i_mode); + xfs_irele(ip); + return 0; +} diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h index 4f7cb410904d..a2d2e0749554 100644 --- a/fs/xfs/scrub/common.h +++ b/fs/xfs/scrub/common.h @@ -203,4 +203,6 @@ static inline bool xchk_need_intent_drain(struct xfs_scrub *sc) void xchk_fsgates_enable(struct xfs_scrub *sc, unsigned int scrub_fshooks); +int xchk_inode_is_allocated(struct xfs_scrub *sc, xfs_ino_t ino, bool *inuse); + #endif /* __XFS_SCRUB_COMMON_H__ */ diff --git a/fs/xfs/scrub/ialloc.c b/fs/xfs/scrub/ialloc.c index 575f22a02ebe..3a3d750b02e0 100644 --- a/fs/xfs/scrub/ialloc.c +++ b/fs/xfs/scrub/ialloc.c @@ -328,8 +328,7 @@ xchk_iallocbt_check_cluster_ifree( goto out; } - error = xfs_icache_inode_is_allocated(mp, bs->cur->bc_tp, fsino, - &ino_inuse); + error = xchk_inode_is_allocated(bs->sc, fsino, &ino_inuse); if (error == -ENODATA) { /* Not cached, just read the disk buffer */ freemask_ok = irec_free ^ !!(dip->di_mode); diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 453890942d9f..e541f5c0bc25 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -803,44 +803,6 @@ out_error_or_again: } /* - * "Is this a cached inode that's also allocated?" - * - * Look up an inode by number in the given file system. If the inode is - * in cache and isn't in purgatory, return 1 if the inode is allocated - * and 0 if it is not. For all other cases (not in cache, being torn - * down, etc.), return a negative error code. - * - * The caller has to prevent inode allocation and freeing activity, - * presumably by locking the AGI buffer. This is to ensure that an - * inode cannot transition from allocated to freed until the caller is - * ready to allow that. If the inode is in an intermediate state (new, - * reclaimable, or being reclaimed), -EAGAIN will be returned; if the - * inode is not in the cache, -ENOENT will be returned. The caller must - * deal with these scenarios appropriately. - * - * This is a specialized use case for the online scrubber; if you're - * reading this, you probably want xfs_iget. - */ -int -xfs_icache_inode_is_allocated( - struct xfs_mount *mp, - struct xfs_trans *tp, - xfs_ino_t ino, - bool *inuse) -{ - struct xfs_inode *ip; - int error; - - error = xfs_iget(mp, tp, ino, XFS_IGET_INCORE, 0, &ip); - if (error) - return error; - - *inuse = !!(VFS_I(ip)->i_mode); - xfs_irele(ip); - return 0; -} - -/* * Grab the inode for reclaim exclusively. * * We have found this inode via a lookup under RCU, so the inode may have diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 1dcdcb23796e..2fa6f2e09d07 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -71,10 +71,6 @@ void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); void xfs_blockgc_worker(struct work_struct *work); - -int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp, - xfs_ino_t ino, bool *inuse); - void xfs_blockgc_stop(struct xfs_mount *mp); void xfs_blockgc_start(struct xfs_mount *mp); |