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platform_kernel-5.15
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mm: do_sync_mapping_range integrity fix 

Chris Mason notices do_sync_mapping_range didn't actually ask for data
integrity writeout.  Unfortunately, it is advertised as being usable for
data integrity operations.

This is a data integrity bug.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nick Piggin 2009-01-06 14:39:12 -08:00 committed by Linus Torvalds
parent 82fd1a9a8c
commit ee53a891f4
1 changed files with 1 additions and 1 deletions
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2
fs/sync.c
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@ -295,7 +295,7 @@ int do_sync_mapping_range(struct address_space *mapping, loff_t offset,
if (flags & SYNC_FILE_RANGE_WRITE) { if (flags & SYNC_FILE_RANGE_WRITE) {
ret = __filemap_fdatawrite_range(mapping, offset, endbyte, ret = __filemap_fdatawrite_range(mapping, offset, endbyte,
WB_SYNC_NONE); WB_SYNC_ALL);
if (ret < 0) if (ret < 0)
goto out; goto out;
} }