linux/fs/ext3
Toshiyuki Okajima 6b082b5312 ext3: provide function to release metadata pages under memory pressure
Pages in the page cache belonging to ext3 data files are released via
the ext3_releasepage() function specified in the ext3 inode's
address_space_ops.  However, metadata blocks (such as indirect blocks,
directory blocks, etc) are managed via the block device
address_space_ops, and they can not be released by
try_to_free_buffers() if they have a journal head attached to them.

To address this, we supply a try_to_free_pages() function which calls
journal_try_to_free_buffers() function to free the metadata, and which
is called by the block device's blkdev_releasepage() function.

Signed-off-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-fsdevel@vger.kernel.org
2009-01-05 22:38:14 -05:00
..
acl.c [PATCH] sanitize ->permission() prototype 2008-07-26 20:53:14 -04:00
acl.h [PATCH] sanitize ->permission() prototype 2008-07-26 20:53:14 -04:00
balloc.c CRED: Wrap task credential accesses in the Ext3 filesystem 2008-11-14 10:38:51 +11:00
bitmap.c fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
dir.c ext3: Fix duplicate entries returned from getdents() system call 2008-10-25 22:37:44 -04:00
ext3_jbd.c ext3: replace remaining __FUNCTION__ occurrences 2008-04-28 08:58:45 -07:00
file.c generic block based fiemap implementation 2008-10-03 17:32:43 -04:00
fsync.c ext3: fdatasync should skip metadata writeout when overwriting 2008-04-28 08:58:43 -07:00
hash.c ext3: Add support for non-native signed/unsigned htree hash algorithms 2008-10-28 13:21:55 -04:00
ialloc.c nfsd race fixes: ext3 2008-12-31 18:07:44 -05:00
inode.c fs: symlink write_begin allocation context fix 2009-01-04 13:33:20 -08:00
ioctl.c ext3: add checks for errors from jbd 2008-10-23 08:55:01 -07:00
Kconfig fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 out 2008-10-20 11:43:59 -07:00
Makefile [PATCH] ext3: uninline large functions 2006-12-07 08:39:35 -08:00
namei.c ext3/4: Fix loop index in do_split() so it is signed 2008-12-06 16:58:39 -05:00
namei.h
resize.c ext3: don't try to resize if there are no reserved gdt blocks left 2008-10-20 08:52:37 -07:00
super.c ext3: provide function to release metadata pages under memory pressure 2009-01-05 22:38:14 -05:00
symlink.c [PATCH] mark struct inode_operations const 1 2007-02-12 09:48:46 -08:00
xattr_security.c ext3: remove double definitions of xattr macros 2008-07-25 10:53:32 -07:00
xattr_trusted.c ext3: remove double definitions of xattr macros 2008-07-25 10:53:32 -07:00
xattr_user.c ext3: remove double definitions of xattr macros 2008-07-25 10:53:32 -07:00
xattr.c ext3/4: fix uninitialized bs in ext3/4_xattr_set_handle() 2008-05-14 19:11:14 -07:00
xattr.h make ext3_xattr_list() static 2008-04-28 08:58:44 -07:00