forked from luck/tmp_suning_uos_patched
d7bdb996ae
Concurrent access to alloc_blocks in hfsplus_inode_info() is protected by extents_lock mutex. This patch fixes two instances where alloc_blocks modification was not protected with this lock. This fixes possible allocation bitmap corruption in race conditions while extending and truncating files. [akpm@linux-foundation.org: take extents_lock before taking a copy of ->alloc_blocks] [akpm@linux-foundation.org: remove now-unused label `out'] Signed-off-by: Sougata Santra <sougata@tuxera.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
---|---|---|
.. | ||
acl.h | ||
attributes.c | ||
bfind.c | ||
bitmap.c | ||
bnode.c | ||
brec.c | ||
btree.c | ||
catalog.c | ||
dir.c | ||
extents.c | ||
hfsplus_fs.h | ||
hfsplus_raw.h | ||
inode.c | ||
ioctl.c | ||
Kconfig | ||
Makefile | ||
options.c | ||
part_tbl.c | ||
posix_acl.c | ||
super.c | ||
tables.c | ||
unicode.c | ||
wrapper.c | ||
xattr_security.c | ||
xattr_trusted.c | ||
xattr_user.c | ||
xattr.c | ||
xattr.h |