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linux/fs/ext4
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Theodore Ts'o b9ec63f78b ext4: Remove bogus BUG() check in ext4_bmap() 
The code to support journal-less ext4 operation added a BUG to
ext4_bmap() which fired if there was no journal and the
EXT4_STATE_JDATA bit was set in the i_state field.  This caused
running the filefrag program (which uses the FIMBAP ioctl) to trigger
a BUG().

The EXT4_STATE_JDATA bit is only used for ext4_bmap(), and it's
harmless for the bit to be set.  We could add a check in
__ext4_journalled_writepage() and ext4_journalled_write_end() to only
set the EXT4_STATE_JDATA bit if the journal is present, but that adds
an extra test and jump instruction.  It's easier to simply remove the
BUG check.

http://bugzilla.kernel.org/show_bug.cgi?id=12568

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
2009-01-30 00:00:24 -05:00
..
acl.c
acl.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
balloc.c ext4: Fix building with EXT4FS_DEBUG 2009-01-26 19:26:26 -05:00
bitmap.c ext4: Change unsigned long to unsigned int 2008-11-05 00:14:04 -05:00
dir.c ext4: Make printk's consistently prefixed with "EXT4-fs: " 2009-01-06 00:20:32 -05:00
ext4_extents.h ext4: Remove i_ext_generation from ext4_inode_info structure 2008-11-04 18:46:03 -05:00
ext4_i.h ext4: Make ext4_group_t be an unsigned int 2009-01-05 22:18:16 -05:00
ext4_jbd2.c ext4: Allow ext4 to run without a journal 2009-01-07 00:06:22 -05:00
ext4_jbd2.h ext4: Remove "extents" mount option 2009-01-06 14:53:16 -05:00
ext4_sb.h fs: introduce bgl_lock_ptr() 2009-01-04 13:33:20 -08:00
ext4.h ext4: only use i_size_high for regular files 2009-01-17 18:41:37 -05:00
extents.c ext4: Fix building with EXT4FS_DEBUG 2009-01-26 19:26:26 -05:00
file.c ext4: sparse fixes 2008-11-22 15:04:59 -05:00
fsync.c ext4: Add debugging markers that can be used by systemtap 2008-10-05 20:50:06 -04:00
group.h
hash.c ext4: Add support for non-native signed/unsigned htree hash algorithms 2008-10-28 13:21:44 -04:00
ialloc.c ext4: Remove "extents" mount option 2009-01-06 14:53:16 -05:00
inode.c ext4: Remove bogus BUG() check in ext4_bmap() 2009-01-30 00:00:24 -05:00
ioctl.c ext4: Allow ext4 to run without a journal 2009-01-07 00:06:22 -05:00
Kconfig fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 out 2008-10-20 11:43:59 -07:00
Makefile ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
mballoc.c ext4: Fix building with EXT4FS_DEBUG 2009-01-26 19:26:26 -05:00
mballoc.h ext4: Don't allow new groups to be added during block allocation 2009-01-05 21:46:55 -05:00
migrate.c ext4: Remove "extents" mount option 2009-01-06 14:53:16 -05:00
namei.c ext4: Add sanity check to make_indexed_dir 2009-01-16 11:13:40 -05:00
namei.h
resize.c ext4: Initialize the new group descriptor when resizing the filesystem 2009-01-26 19:06:41 -05:00
super.c filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
symlink.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c ext4: Allow ext4 to run without a journal 2009-01-07 00:06:22 -05:00
xattr.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00