diff options
| author |   Darrick J. Wong <djwong@kernel.org> | 2024-04-22 09:48:02 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-04-23 07:47:02 -0700 |
| commit | b961c8bf1fc3d0232209a49f47d1cd7a55b7a861 (patch) | |
| tree | ee1c8237339bb6fe801d8126f47986de9e7d04b7 /fs/xfs/scrub/trace.h | |
| parent | xfs: check dirents have parent pointers (diff) | |
| download | wireguard-linux-b961c8bf1fc3d0232209a49f47d1cd7a55b7a861.tar.xz wireguard-linux-b961c8bf1fc3d0232209a49f47d1cd7a55b7a861.zip | |
xfs: deferred scrub of dirents
If the trylock-based parent pointer check fails, retain those dirents
and check them at the end. This may involve dropping the locks on the
file being scanned, so yay.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to '')
| -rw-r--r-- | fs/xfs/scrub/trace.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h index 814db1d1747a..4db762480b8d 100644 --- a/fs/xfs/scrub/trace.h +++ b/fs/xfs/scrub/trace.h @@ -1511,6 +1511,40 @@ DEFINE_EVENT(xchk_nlinks_diff_class, name, \ TP_ARGS(mp, ip, live)) DEFINE_SCRUB_NLINKS_DIFF_EVENT(xchk_nlinks_compare_inode); +DECLARE_EVENT_CLASS(xchk_pptr_class, + TP_PROTO(struct xfs_inode *ip, const struct xfs_name *name, + xfs_ino_t far_ino), + TP_ARGS(ip, name, far_ino), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(unsigned int, namelen) + __dynamic_array(char, name, name->len) + __field(xfs_ino_t, far_ino) + ), + TP_fast_assign( + __entry->dev = ip->i_mount->m_super->s_dev; + __entry->ino = ip->i_ino; + __entry->namelen = name->len; + memcpy(__get_str(name), name, name->len); + __entry->far_ino = far_ino; + ), + TP_printk("dev %d:%d ino 0x%llx name '%.*s' far_ino 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->namelen, + __get_str(name), + __entry->far_ino) +) +#define DEFINE_XCHK_PPTR_EVENT(name) \ +DEFINE_EVENT(xchk_pptr_class, name, \ + TP_PROTO(struct xfs_inode *ip, const struct xfs_name *name, \ + xfs_ino_t far_ino), \ + TP_ARGS(ip, name, far_ino)) +DEFINE_XCHK_PPTR_EVENT(xchk_dir_defer); +DEFINE_XCHK_PPTR_EVENT(xchk_dir_slowpath); +DEFINE_XCHK_PPTR_EVENT(xchk_dir_ultraslowpath); + /* repair tracepoints */ #if IS_ENABLED(CONFIG_XFS_ONLINE_REPAIR) |