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![]() So far ext4_bio_writepage() unconditionally cleared dirty bit on all buffers underlying the page. That implicitely assumes we can write all buffers. So far that is true because callers call into ext4_bio_writepage() make sure all buffers in the page are mapped but: a) it's a data corruption bug waiting to happen b) in data=ordered mode when blocksize < pagesize we do need to write pages that may have only some of dirty buffers mapped. So change ext4_bio_writepage() to skip buffers that cannot be written without clearing their dirty bit. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> |
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.. | ||
acl.c | ||
acl.h | ||
balloc.c | ||
bitmap.c | ||
block_validity.c | ||
dir.c | ||
ext4.h | ||
ext4_extents.h | ||
ext4_jbd2.c | ||
ext4_jbd2.h | ||
extents.c | ||
extents_status.c | ||
extents_status.h | ||
file.c | ||
fsync.c | ||
hash.c | ||
ialloc.c | ||
indirect.c | ||
inline.c | ||
inode.c | ||
ioctl.c | ||
Kconfig | ||
Makefile | ||
mballoc.c | ||
mballoc.h | ||
migrate.c | ||
mmp.c | ||
move_extent.c | ||
namei.c | ||
page-io.c | ||
resize.c | ||
super.c | ||
symlink.c | ||
truncate.h | ||
xattr.c | ||
xattr.h | ||
xattr_security.c | ||
xattr_trusted.c | ||
xattr_user.c |