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61628a3f3a
linux/fs/ext4
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Mingming Cao 61628a3f3a ext4: Invert lock ordering of page_lock and transaction start in delalloc 
With the reverse locking, we need to start a transation before taking
the page lock, so in ext4_da_writepages() we need to break the write-out
into chunks, and restart the journal for each chunck to ensure the
write-out fits in a single transaction.

Updated patch from Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
which fixes delalloc sync hang with journal lock inversion, and address
the performance regression issue.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-07-11 19:27:31 -04:00
..
acl.c ext4: fix wrong gfp type under transaction 2008-04-29 22:02:02 -04:00
acl.h [PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols 2006-10-11 11:14:15 -07:00
balloc.c ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
bitmap.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
dir.c ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
ext4_extents.h ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
ext4_i.h ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
ext4_jbd2.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
ext4_jbd2.h ext4: Use new framework for data=ordered mode in JBD2 2008-07-11 19:27:31 -04:00
ext4_sb.h ext4: New inode allocation for FLEX_BG meta-data groups. 2008-07-11 19:27:31 -04:00
ext4.h ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
extents.c ext4: Invert lock ordering of page_lock and transaction start in delalloc 2008-07-11 19:27:31 -04:00
file.c ext4: Use page_mkwrite vma_operations to get mmap write notification. 2008-07-11 19:27:31 -04:00
fsync.c ext4: call blkdev_issue_flush on fsync 2008-07-11 19:27:31 -04:00
group.h ext4: Rename read_block_bitmap() to ext4_read_block_bitmap() 2008-07-11 19:27:31 -04:00
hash.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
ialloc.c ext4: New inode allocation for FLEX_BG meta-data groups. 2008-07-11 19:27:31 -04:00
inode.c ext4: Invert lock ordering of page_lock and transaction start in delalloc 2008-07-11 19:27:31 -04:00
ioctl.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
Makefile ext4: Add multi block allocator for ext4 2008-01-29 00:19:52 -05:00
mballoc.c ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
mballoc.h ext4: Move mballoc headers/structures to a seperate header file mballoc.h 2008-04-29 22:01:31 -04:00
migrate.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
namei.c ext4: cleanup never-used magic numbers from htree code 2008-07-11 19:27:31 -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: fix online resize with mballoc 2008-07-11 19:27:31 -04:00
super.c ext4: delayed allocation ENOSPC handling 2008-07-14 17:52:37 -04:00
symlink.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -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
xattr.c ext4: Use inode preallocation with -o noextents 2008-07-11 19:27:31 -04:00
xattr.h ext4: make ext4_xattr_list() static 2008-04-17 10:38:59 -04:00