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f41c075053
linux/fs/ext4
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Aneesh Kumar K.V f41c075053 ext4: check for need init flag in ext4_mb_load_buddy 
We should check for need init flag with the group's alloc_sem held, to
make sure while we are loading the buddy cache and holding a reference
to it, a file system resize can't add new blocks to same group.

The patch also drops the need init flag check in
ext4_mb_regular_allocator() because doing the check without holding
alloc_sem is racy.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2009-09-09 23:34:50 -04:00
..
acl.c ext[234]: move over to 'check_acl' permission model 2009-09-08 11:09:04 -07:00
acl.h ext[234]: move over to 'check_acl' permission model 2009-09-08 11:09:04 -07:00
balloc.c ext4: open-code ext4_mb_update_group_info 2009-08-17 23:51:29 -04:00
bitmap.c ext4: Change unsigned long to unsigned int 2008-11-05 00:14:04 -05:00
block_validity.c ext4: Add a comprehensive block validity check to ext4_get_blocks() 2009-05-17 15:38:01 -04:00
dir.c ext4: Define a new set of flags for ext4_get_blocks() 2009-05-14 00:58:52 -04:00
ext4_extents.h ext4: Show unwritten extent flag in ext4_ext_show_leaf() 2009-09-18 13:34:55 -04:00
ext4_jbd2.c ext4: Assure that metadata blocks are written during fsync in no journal mode 2009-09-12 13:41:55 -04:00
ext4_jbd2.h ext4: Fix buffer head reference leak in no-journal mode 2009-07-13 09:07:20 -04:00
ext4.h ext4: Remove journal_checksum mount option and enable it by default 2009-09-05 12:50:43 -04:00
extents.c ext4: fix extent sanity checking code with AGGRESSIVE_TEST 2009-08-28 10:40:33 -04:00
file.c ext4: Remove syncing logic from ext4_file_write 2009-09-14 17:08:16 +02:00
fsync.c ext4: Assure that metadata blocks are written during fsync in no journal mode 2009-09-12 13:41:55 -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: fix build warning when EXT4FS_DEBUG is on 2009-07-27 21:44:40 -04:00
inode.c ext4: Make non-journal fsync work properly 2009-09-09 22:33:47 -04:00
ioctl.c ext4: Return exchanged blocks count to user space in failure 2009-09-05 22:46:29 -04:00
Kconfig ext4: Add configurable run-time mballoc debugging 2009-09-18 13:38:55 -04:00
Makefile ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctl 2009-06-17 19:24:03 -04:00
mballoc.c ext4: check for need init flag in ext4_mb_load_buddy 2009-09-09 23:34:50 -04:00
mballoc.h ext4: use ext4_grpblk_t more extensively 2009-08-25 22:36:45 -04:00
migrate.c ext4: Add missing unlock_new_inode() call in extent migration code 2009-08-25 22:36:05 -04:00
move_extent.c ext4: Fix small typo for move_extent_per_page() 2009-09-05 23:12:41 -04:00
namei.c ext4: Limit number of links that can be created by ext4_link() 2009-08-29 21:08:08 -04:00
resize.c block: rename CONFIG_LBD to CONFIG_LBDAF 2009-06-19 08:08:50 +02:00
super.c ext4: Remove journal_checksum mount option and enable it by default 2009-09-05 12:50:43 -04:00
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: Use lowercase names of quota functions 2009-03-26 02:18:36 +01:00
xattr.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00