Tao Ma 0ba0851714 ext4: fix a BUG in mb_mark_used during trim. ... In a bs=4096 volume, if we call FITRIM with the following parameter as fstrim_range(start = 102400, len = 134144000, minlen = 10240), we will trigger this BUG_ON: BUG_ON(start + len > (e4b->bd_sb->s_blocksize << 3)); Mar 4 00:55:52 boyu-tm kernel: ------------[ cut here ]------------ Mar 4 00:55:52 boyu-tm kernel: kernel BUG at fs/ext4/mballoc.c:1506! Mar 4 01:21:09 boyu-tm kernel: Code: d4 00 00 00 00 49 89 fe 8b 56 0c 44 8b 7e 04 89 55 c4 48 8b 4f 28 89 d6 44 01 fe 48 63 d6 48 8b 41 18 48 c1 e0 03 48 39 c2 76 04 <0f> 0b eb fe 48 8b 55 b0 8b 47 34 3b 42 08 74 04 0f 0b eb fe 48 Mar 4 01:21:09 boyu-tm kernel: RIP [<ffffffffa053eb42>] mb_mark_used+0x47/0x26c [ext4] Mar 4 01:21:09 boyu-tm kernel: RSP <ffff880121e45c38> Mar 4 01:21:09 boyu-tm kernel: ---[ end trace 9f461696f6a9dcf2 ]--- Fix this bug by doing the accounting correctly. Cc: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>		2011-03-23 15:48:11 -04:00
..
acl.c	ext2,3,4: provide simple rcu-walk ACL implementation	2011-01-07 17:50:30 +11:00
acl.h	fs: provide rcu-walk aware permission i_ops	2011-01-07 17:50:29 +11:00
balloc.c	ext4: add more tracepoints and use dev_t in the trace buffer	2011-03-21 21:38:05 -04:00
bitmap.c	ext4: Change unsigned long to unsigned int	2008-11-05 00:14:04 -05:00
block_validity.c	ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*()	2010-10-27 21:30:14 -04:00
dir.c	ext4: Use ext4_error_file() to print the pathname to the corrupted inode	2011-01-10 12:10:55 -05:00
ext4.h	ext4: serialize unaligned asynchronous DIO	2011-02-12 08:17:34 -05:00
ext4_extents.h	ext4: drop ec_type from the ext4_ext_cache structure	2011-01-10 12:13:26 -05:00
ext4_jbd2.c	ext4: Pass line numbers to ext4_error() and friends	2010-07-27 11:56:40 -04:00
ext4_jbd2.h	ext4: unify the ext4_handle_release_buffer() api	2011-03-20 22:57:02 -04:00
extents.c	ext4: unused variables cleanup in fs/ext4/extents.c	2011-03-23 14:08:27 -04:00
file.c	ext4: serialize unaligned asynchronous DIO	2011-02-12 08:17:34 -05:00
fsync.c	ext4: add more tracepoints and use dev_t in the trace buffer	2011-03-21 21:38:05 -04:00
hash.c	ext4: Add support for non-native signed/unsigned htree hash algorithms	2008-10-28 13:21:44 -04:00
ialloc.c	ext4: add more tracepoints and use dev_t in the trace buffer	2011-03-21 21:38:05 -04:00
inode.c	ext4: remove redundant set_buffer_mapped() in ext4_da_get_block_prep()	2011-03-23 14:05:03 -04:00
ioctl.c	ext4: add FITRIM to compat_ioctl.	2011-03-20 23:16:58 -04:00
Kconfig	ext4: Don't ask about supporting ext2/3 in ext4 if ext4 is not configured	2009-12-21 10:54:09 -05:00
Makefile	ext4: use bio layer instead of buffer layer in mpage_da_submit_io	2010-10-27 21:30:10 -04:00
mballoc.c	ext4: fix a BUG in mb_mark_used during trim.	2011-03-23 15:48:11 -04:00
mballoc.h	ext4: clarify description of ac_g_ex in struct ext4_allocation_context	2011-02-24 14:10:00 -05:00
migrate.c	ext4: Fix sparse warning: Using plain integer as NULL pointer	2011-02-21 21:01:42 -05:00
move_extent.c	ext4: rename {ext,idx}_pblock and inline small extent functions	2010-10-27 21:30:14 -04:00
namei.c	ext4: add more tracepoints and use dev_t in the trace buffer	2011-03-21 21:38:05 -04:00
page-io.c	ext4: optimize ext4_bio_write_page() when no extent conversion is needed	2011-02-28 13:12:38 -05:00
resize.c	ext4: unify the ext4_handle_release_buffer() api	2011-03-20 22:57:02 -04:00
super.c	ext4: add missing space in printk's in __ext4_grp_locked_error()	2011-03-21 20:39:22 -04:00
symlink.c	ext4: symlink must be handled via filesystem specific operation	2010-05-16 02:00:00 -04:00
xattr.c	ext4: unify the ext4_handle_release_buffer() api	2011-03-20 22:57:02 -04:00
xattr.h	ext4: fix compile with CONFIG_EXT4_FS_XATTR disabled	2010-10-28 09:29:17 -07:00
xattr_security.c	ext4: constify xattr_handler	2010-05-21 18:31:19 -04:00
xattr_trusted.c	ext4: constify xattr_handler	2010-05-21 18:31:19 -04:00
xattr_user.c	ext4: constify xattr_handler	2010-05-21 18:31:19 -04:00