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alistair23-linux/fs/ext4
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Theodore Ts'o 4ba74d00a2 ext4: Fix bugs in mballoc's stream allocation mode 
The logic around sbi->s_mb_last_group and sbi->s_mb_last_start was all
screwed up.  These fields were getting unconditionally all the time,
set even when stream allocation had not taken place, and if they were
being used when the file was smaller than s_mb_stream_request, which
is when the allocation should _not_ be doing stream allocation.

Fix this by determining whether or not we stream allocation should
take place once, in ext4_mb_group_or_file(), and setting a flag which
gets used in ext4_mb_regular_allocator() and ext4_mb_use_best_found().
This simplifies the code and assures that we are consistently using
(or not using) the stream allocation logic.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-08-09 22:01:13 -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: Convert ext4_lock_group to use sb_bgl_lock 2009-05-02 20:35:09 -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.h ext4: Fix bugs in mballoc's stream allocation mode 2009-08-09 22:01:13 -04:00
ext4_extents.h ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctl 2009-06-17 19:24:03 -04:00
ext4_jbd2.c ext4: Fix buffer head reference leak in no-journal mode 2009-07-13 09:07:20 -04:00
ext4_jbd2.h ext4: Fix buffer head reference leak in no-journal mode 2009-07-13 09:07:20 -04:00
extents.c ext4: Calculate required journal credits for inserting an extent properly 2009-07-05 23:12:04 -04:00
file.c ext4: Remove syncing logic from ext4_file_write 2009-09-14 17:08:16 +02:00
fsync.c ext4: convert instrumentation from markers to tracepoints 2009-06-17 11:48:11 -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: remove redundant test on unsigned 2009-08-10 22:47:22 -04:00
ioctl.c Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2009-07-13 16:39:25 -07:00
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: Fix bugs in mballoc's stream allocation mode 2009-08-09 22:01:13 -04:00
mballoc.h ext4: Add configurable run-time mballoc debugging 2009-09-18 13:38:55 -04:00
migrate.c ext4: teach the inode allocator to use a goal inode number 2009-06-13 11:45:35 -04:00
move_extent.c ext4: fix journal ref count in move_extent_par_page 2009-08-10 23:05:28 -04:00
namei.c ext4: More buffer head reference leaks 2009-07-17 10:54:08 -04:00
resize.c block: rename CONFIG_LBD to CONFIG_LBDAF 2009-06-19 08:08:50 +02:00
super.c ext4: Avoid null pointer dereference when decoding EROFS w/o a journal 2009-07-27 23:09:47 -04:00
symlink.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
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
xattr_security.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
xattr_trusted.c ext4: remove double definitions of xattr macros 2008-07-11 19:27:31 -04:00
xattr_user.c ext4: remove double definitions of xattr macros 2008-07-11 19:27:31 -04:00