[PATCH v2 3/8] ext2: mark statfs overhead cache as guarded by s_lock
Timothy Day <[email protected]>
| Newsgroups | org.kernel.vger.linux-ext4,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
s_overhead_last and s_blocks_last cache the filesystem overhead computation and are only ever accessed in ext2_statfs() under s_lock. Annotate them with __guarded_by() for Clang's context analysis. Signed-off-by: Timothy Day <[email protected]> --- fs/ext2/ext2.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index c8bf2e69675d..ecca898653eb 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -77,8 +77,8 @@ struct ext2_sb_info { unsigned long s_gdb_count; /* Number of group descriptor blocks */ unsigned long s_desc_per_block; /* Number of group descriptors per block */ unsigned long s_groups_count; /* Number of groups in the fs */ - unsigned long s_overhead_last; /* Last calculated overhead */ - unsigned long s_blocks_last; /* Last seen block count */ + unsigned long s_overhead_last __guarded_by(&s_lock); /* Last calculated overhead */ + unsigned long s_blocks_last __guarded_by(&s_lock); /* Last seen block count */ struct buffer_head * s_sbh; /* Buffer containing the super block */ struct ext2_super_block * s_es; /* Pointer to the super block in the buffer */ struct buffer_head ** s_group_desc; -- 2.43.0