Josef Bacik 2f120c05e6 Btrfs: only map pages if we know we need them when reading the space cache ...

People have been running into a warning when loading space cache because the
page is already mapped when trying to read in a bitmap.  The way we read in
entries and pages is kind of convoluted, so fix it so that io_ctl_read_entry
maps the entries if it needs to, and if it hits the end of the page it simply
unmaps the page.  That way we can unconditionally unmap the io_ctl before
reading in the bitmap and we should stop hitting these warnings.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

2011-11-10 20:45:05 -05:00

..

acl.c

Btrfs: fix return value of btrfs_get_acl()

2011-10-20 18:10:47 +02:00

async-thread.c

Btrfs: don't walk around with task->state != TASK_RUNNING

2010-05-25 10:34:58 -04:00

async-thread.h

…

backref.c

Btrfs: fix the new inspection ioctls for 32 bit compat

2011-11-06 03:08:49 -05:00

backref.h

btrfs: added helper functions to iterate backrefs

2011-09-29 12:54:27 +02:00

btrfs_inode.h

Btrfs: fix our reservations for updating an inode when completing io

2011-11-08 15:47:34 -05:00

compat.h

…

compression.c

btrfs: separate superblock items out of fs_info

2011-11-06 03:04:01 -05:00

compression.h

btrfs: rename variables clashing with global function names

2011-05-02 13:57:19 +02:00

ctree.c

Btrfs: fix array bound checking

2011-10-20 18:10:41 +02:00

ctree.h

Merge branch 'for-chris' of git://github.com/sensille/linux into integration

2011-11-06 03:05:08 -05:00

delayed-inode.c

Btrfs: tweak the delayed inode reservations again

2011-11-10 20:39:08 -05:00

delayed-inode.h

atomic: use <linux/atomic.h>

2011-07-26 16:49:47 -07:00

delayed-ref.c

btrfs: remove old unused commented out code

2011-05-06 12:34:10 +02:00

delayed-ref.h

btrfs: remove all unused functions

2011-05-06 12:34:03 +02:00

dir-item.c

Btrfs: remove redundant code for dir item lookup

2011-08-01 14:30:48 -04:00

disk-io.c

Btrfs: close devices on all error paths in open_ctree()

2011-11-09 22:53:38 +02:00

disk-io.h

Merge branch 'for-chris' of git://github.com/sensille/linux into integration

2011-11-06 03:05:08 -05:00

export.c

Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers

2011-05-21 09:27:38 -04:00

export.h

…

extent_io.c

Merge git://git.jan-o-sch.net/btrfs-unstable into integration

2011-11-06 03:07:10 -05:00

extent_io.h

Merge git://git.jan-o-sch.net/btrfs-unstable into integration

2011-11-06 03:07:10 -05:00

extent_map.c

Btrfs: clean up code for merging extent maps

2011-08-01 14:30:50 -04:00

extent_map.h

btrfs: drop gfp parameter from alloc_extent_map

2011-05-02 13:57:21 +02:00

extent-tree.c

Btrfs: Abstract similar code for btrfs_block_rsv_add{, _noflush}

2011-11-10 20:45:05 -05:00

file-item.c

btrfs: separate superblock items out of fs_info

2011-11-06 03:04:01 -05:00

file.c

Btrfs: use the inode's mapping mask for allocating pages

2011-10-19 15:12:45 -04:00

free-space-cache.c

Btrfs: only map pages if we know we need them when reading the space cache

2011-11-10 20:45:05 -05:00

free-space-cache.h

btrfs: remove all unused functions

2011-05-06 12:34:03 +02:00

hash.h

…

inode-item.c

Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item

2011-05-23 13:24:39 -04:00

inode-map.c

Btrfs: fix no reserved space for writing out inode cache

2011-11-10 20:45:04 -05:00

inode-map.h

Btrfs: Support reading/writing on disk free ino cache

2011-04-25 16:46:11 +08:00

inode.c

Btrfs: fix unreleased path in btrfs_orphan_cleanup()

2011-11-10 20:45:05 -05:00

ioctl.c

Btrfs: fix the new inspection ioctls for 32 bit compat

2011-11-06 03:08:49 -05:00

ioctl.h

Btrfs: fix the new inspection ioctls for 32 bit compat

2011-11-06 03:08:49 -05:00

Kconfig

btrfs: Add lzo compression support

2010-12-22 23:15:47 +08:00

locking.c

Btrfs: switch the btrfs tree locks to reader/writer

2011-07-27 12:46:46 -04:00

locking.h

Btrfs: switch the btrfs tree locks to reader/writer

2011-07-27 12:46:46 -04:00

lzo.c

Btrfs: Avoid accessing unmapped kernel address

2011-02-16 15:37:58 -05:00

Makefile

Merge git://git.jan-o-sch.net/btrfs-unstable into integration

2011-11-06 03:07:10 -05:00

ordered-data.c

Btrfs: add initial tracepoint support for btrfs

2011-03-28 05:37:33 -04:00

ordered-data.h

btrfs: Allow to add new compression algorithm

2010-12-22 23:15:45 +08:00

orphan.c

Btrfs: fixup return code for btrfs_del_orphan_item

2010-12-09 13:57:15 -05:00

print-tree.c

btrfs: fix oops on failure path

2011-10-20 18:10:50 +02:00

print-tree.h

…

reada.c

Btrfs: rename btrfs_bio multi -> bbio for consistency

2011-11-06 03:11:21 -05:00

relocation.c

Btrfs: fix orphan backref nodes

2011-11-10 20:45:05 -05:00

root-tree.c

btrfs: make btrfs_set_root_node void

2011-08-01 14:30:44 -04:00

scrub.c

Btrfs: fix a potential btrfs_bio leak on scrub fixups

2011-11-06 03:11:29 -05:00

struct-funcs.c

Btrfs: stop using highmem for extent_buffers

2011-07-27 12:46:45 -04:00

super.c

Btrfs: rework error handling in btrfs_mount()

2011-11-09 22:53:39 +02:00

sysfs.c

btrfs: Remove unused sysfs code

2011-06-17 14:54:18 -04:00

transaction.c

Btrfs: fix race during transaction joins

2011-11-06 03:26:19 -05:00

transaction.h

Merge branch 'for-chris' of

2011-05-28 07:00:39 -04:00

tree-defrag.c

btrfs: drop unused parameter from btrfs_release_path

2011-05-02 13:57:22 +02:00

tree-log.c

btrfs: separate superblock items out of fs_info

2011-11-06 03:04:01 -05:00

tree-log.h

btrfs: remove unused function prototypes

2011-05-04 14:01:26 +02:00

version.h

…

volumes.c

Btrfs: fix nocow when deleting the item

2011-11-10 20:45:04 -05:00

volumes.h

Merge git://git.jan-o-sch.net/btrfs-unstable into integration

2011-11-06 03:07:10 -05:00

xattr.c

Btrfs: fix regression in re-setting a large xattr

2011-10-19 15:12:56 -04:00

xattr.h

fs/vfs/security: pass last path component to LSM on inode creation

2011-02-01 11:12:29 -05:00

zlib.c

zlib: slim down zlib_deflate() workspace when possible

2011-03-22 17:44:17 -07:00