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| author | Darrick J. Wong <djwong@kernel.org> | 2023-04-12 05:00:30 +0300 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2023-04-12 05:00:30 +0300 |
| commit | 91781ff549379a867d8fbe588a4c95f6598b1fa9 (patch) | |
| tree | 4d1b4728f3845c4db95ff4dddb348dc31a7d94a1 /fs/xfs/scrub/scrub.h | |
| parent | 4cb76025208925f697de66ac4d2d821cafabd367 (diff) | |
| download | linux-91781ff549379a867d8fbe588a4c95f6598b1fa9.tar.xz | |
xfs: split freemap from xchk_xattr_buf.buf
Move the free space bitmap from somewhere in xchk_xattr_buf.buf[] to an
explicit pointer. This is the start of removing the complex overloaded
memory buffer that is the source of weird memory misuse bugs.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/scrub.h')
| -rw-r--r-- | fs/xfs/scrub/scrub.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h index c519927355fe..e71903474cd7 100644 --- a/fs/xfs/scrub/scrub.h +++ b/fs/xfs/scrub/scrub.h @@ -77,7 +77,17 @@ struct xfs_scrub { */ struct xfs_inode *ip; + /* Kernel memory buffer used by scrubbers; freed at teardown. */ void *buf; + + /* + * Clean up resources owned by whatever is in the buffer. Cleanup can + * be deferred with this hook as a means for scrub functions to pass + * data to repair functions. This function must not free the buffer + * itself. + */ + void (*buf_cleanup)(void *buf); + uint ilock_flags; /* See the XCHK/XREP state flags below. */ |