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author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-06 10:01:50 -0800 |
---|---|---|
committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-11 16:07:01 -0800 |
commit | 2bfe7069f71e56a301976d08eae3027b1eebc30d (patch) | |
tree | 4badaf7cd87bb34af6834e8943f35c81030981c5 /fs/xfs | |
parent | 8764f98351fa561296f70c3435a5cb1eb6272c39 (diff) | |
download | linux-stable-2bfe7069f71e56a301976d08eae3027b1eebc30d.tar.gz linux-stable-2bfe7069f71e56a301976d08eae3027b1eebc30d.tar.bz2 linux-stable-2bfe7069f71e56a301976d08eae3027b1eebc30d.zip |
xfs: add inode magic to inode verifier
Use xfs_verify_magic to check the magic numbers of inodes.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 6 | ||||
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 01ebc9557f69..f92f14e93ad3 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -97,7 +97,7 @@ xfs_inode_buf_verify( dip = xfs_buf_offset(bp, (i << mp->m_sb.sb_inodelog)); unlinked_ino = be32_to_cpu(dip->di_next_unlinked); - di_ok = dip->di_magic == cpu_to_be16(XFS_DINODE_MAGIC) && + di_ok = xfs_verify_magic(bp, dip->di_magic) && xfs_dinode_good_version(mp, dip->di_version) && xfs_verify_agino_or_null(mp, agno, unlinked_ino); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, @@ -146,12 +146,16 @@ xfs_inode_buf_write_verify( const struct xfs_buf_ops xfs_inode_buf_ops = { .name = "xfs_inode", + .magic = { cpu_to_be16(XFS_DINODE_MAGIC), + cpu_to_be16(XFS_DINODE_MAGIC) }, .verify_read = xfs_inode_buf_read_verify, .verify_write = xfs_inode_buf_write_verify, }; const struct xfs_buf_ops xfs_inode_buf_ra_ops = { .name = "xfs_inode_ra", + .magic = { cpu_to_be16(XFS_DINODE_MAGIC), + cpu_to_be16(XFS_DINODE_MAGIC) }, .verify_read = xfs_inode_buf_readahead_verify, .verify_write = xfs_inode_buf_write_verify, }; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 5ad42d598333..f5948d16015b 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3049,7 +3049,7 @@ xlog_recover_inode_pass2( * Make sure the place we're flushing out to really looks * like an inode! */ - if (unlikely(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC))) { + if (unlikely(!xfs_verify_magic(bp, dip->di_magic))) { xfs_alert(mp, "%s: Bad inode magic number, dip = "PTR_FMT", dino bp = "PTR_FMT", ino = %Ld", __func__, dip, bp, in_f->ilf_ino); |