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linux/fs/ext4
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Aneesh Kumar K.V 1a89734d40 ext4: Return unwritten buffer head when trying to read from prealloc space. 
ext4_ext_get_blocks() returns the number of blocks allocated with buffer
head unmapped for a read from prealloc space.  This is needed so that
delayed allocation doesn't do block reservation for prealloc space
since the blocks are already reserved on disk.  Mark the buffer head
unwritten.  Some code paths try to read the block if the buffer_head is
not new and no uptodate.  Marking the buffer head unwritten avoids this
reading.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 		2008-04-29 08:11:12 -04:00
..
Makefile ext4: Add multi block allocator for ext4 2008-01-29 00:19:52 -05:00
acl.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
acl.h [PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols 2006-10-11 11:14:15 -07:00
balloc.c ext[234]: cleanup ext[234]_bg_num_gdb() 2008-02-06 10:41:21 -08:00
bitmap.c fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
dir.c Remove incorrect BKL comments in ext4 2008-02-25 17:20:46 -05:00
ext4_jbd2.c [PATCH] ext4: uninline large functions 2006-12-07 08:39:35 -08:00
extents.c ext4: Return unwritten buffer head when trying to read from prealloc space. 2008-04-29 08:11:12 -04:00
file.c ext4: store maxbytes for bitmapped files and return EFBIG as appropriate 2008-01-28 23:58:27 -05:00
fsync.c ext4: fdatasync should skip metadata writeout when overwriting 2008-04-17 10:38:59 -04:00
group.h ext4: add ext4_group_t, and change all group variables to this type. 2008-01-28 23:58:27 -05:00
hash.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
ialloc.c ext4: Enable extent format for symlinks. 2008-04-29 08:11:12 -04:00
inode.c ext4: Fix race between migration and mmap write 2008-04-29 08:11:12 -04:00
ioctl.c [PATCH] r/o bind mounts: elevate write count for ioctls() 2008-04-19 00:29:24 -04:00
mballoc.c ext4: use non-racy method for proc entries creation 2008-04-29 08:06:20 -07:00
migrate.c ext4: Fix race between migration and mmap write 2008-04-29 08:11:12 -04:00
namei.c ext4: Enable extent format for symlinks. 2008-04-29 08:11:12 -04:00
namei.h [PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols 2006-10-11 11:14:15 -07:00
resize.c ext4: add missing ext4_journal_stop() 2008-02-25 15:37:42 -05:00
super.c ext4: fix mount option parsing 2008-04-29 22:05:28 -04:00
symlink.c [PATCH] mark struct inode_operations const 1 2007-02-12 09:48:46 -08:00
xattr.c vfs: fix possible deadlock in ext2, ext3, ext4 when using xattrs 2008-04-15 19:35:41 -07:00
xattr.h ext4: Expand extra_inodes space per the s_{want,min}_extra_isize fields 2007-07-18 09:19:57 -04:00
xattr_security.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_trusted.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_user.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00