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Liu Bo 5416034f7a Btrfs: fix comment in btrfs_page_mkwrite 
The comment about "page_mkwrite gets called every time the page is
dirtied" in btrfs_page_mkwrite is not correct, it only gets called the
first time the page gets dirtied after the page faults in.

However, we don't need to touch the code because it works well, although
the proper logic is to check if delalloc bits has been set and if so, go
free reserved space, if not, set the delalloc bits for dirty page range.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 		2017-02-14 15:50:58 +01:00
..
tests Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-12-16 10:53:01 -08:00
Kconfig rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
Makefile Btrfs: add free space tree sanity tests 2015-12-17 12:16:47 -08:00
acl.c posix_acl: Clear SGID bit when setting file permissions 2016-09-22 10:55:32 +02:00
async-thread.c btrfs: fix crash when tracepoint arguments are freed by wq callbacks 2017-01-09 11:24:50 +01:00
async-thread.h btrfs: limit async_work allocation and worker func duration 2016-12-13 11:01:30 -08:00
backref.c btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
backref.h btrfs: cleanup, remove inode_item_info helper 2015-01-14 19:23:47 +01:00
btrfs_inode.h btrfs: Make btrfs_inode_in_log take btrfs_inode 2017-02-14 15:50:54 +01:00
check-integrity.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
compression.h btrfs: use bio iterators for the decompression handlers 2016-11-30 13:45:19 +01:00
ctree.c btrfs: use rb_entry() instead of container_of 2017-02-14 15:50:49 +01:00
ctree.h btrfs: Make btrfs_unlink_inode take btrfs_inode 2017-02-14 15:50:56 +01:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
delayed-inode.h btrfs: Make btrfs_inode_delayed_dir_index_count take btrfs_inode 2017-02-14 15:50:53 +01:00
delayed-ref.c btrfs: drop unused extent_op arg from btrfs_add_delayed_data_ref 2017-02-14 15:50:50 +01:00
delayed-ref.h btrfs: drop unused extent_op arg from btrfs_add_delayed_data_ref 2017-02-14 15:50:50 +01:00
dev-replace.c btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
dev-replace.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
dir-item.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
disk-io.c Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-12-16 10:53:01 -08:00
disk-io.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
export.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
export.h
…
extent-tree.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
extent_io.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
extent_io.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
extent_map.c btrfs: Fix slab accounting flags 2016-07-26 13:52:25 +02:00
extent_map.h btrfs: cleanup, stop casting for extent_map->lookup everywhere 2016-01-15 19:22:28 +01:00
file-item.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
file.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
free-space-cache.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
free-space-cache.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
free-space-tree.c btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
free-space-tree.h Btrfs: implement the free space B-tree 2015-12-17 12:16:47 -08:00
hash.c btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.h Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots 2016-01-15 19:25:02 +01:00
inode.c Btrfs: fix comment in btrfs_page_mkwrite 2017-02-14 15:50:58 +01:00
ioctl.c btrfs: Make btrfs_record_snapshot_destroy take btrfs_inode 2017-02-14 15:50:54 +01:00
locking.c btrfs: cleanup, remove stray return statements 2016-01-07 14:30:52 +01:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c btrfs: use bio iterators for the decompression handlers 2016-11-30 13:45:19 +01:00
math.h btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
ordered-data.c Btrfs: fix btrfs_ordered_update_i_size to update disk_i_size properly 2017-02-14 15:50:57 +01:00
ordered-data.h btrfs: Make btrfs_get_logged_extents take btrfs_inode 2017-02-14 15:50:55 +01:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
print-tree.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
props.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
props.h
…
qgroup.c btrfs: Add WARN_ON for qgroup reserved underflow 2017-02-14 15:50:49 +01:00
qgroup.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
raid56.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
…
reada.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
relocation.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
root-tree.c btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
scrub.c Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-12-16 10:53:01 -08:00
send.c btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
send.h Btrfs: use linux/sizes.h to represent constants 2016-01-07 14:38:02 +01:00
struct-funcs.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
super.c Btrfs: ACCESS_ONCE cleanup 2017-02-14 15:50:50 +01:00
sysfs.c btrfs: convert printk(KERN_* to use pr_* calls 2016-09-26 18:08:44 +02:00
sysfs.h btrfs: sysfs: introduce helper for syncing bits with sysfs files 2016-01-21 18:50:40 +01:00
transaction.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
transaction.h btrfs: remove root parameter from transaction commit/end routines 2016-12-06 16:07:00 +01:00
tree-defrag.c Btrfs: fix locking bugs when defragging leaves 2015-12-18 02:51:32 +00:00
tree-log.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
ulist.h btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-12-16 10:53:01 -08:00
volumes.h Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-12-16 10:53:01 -08:00
xattr.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: use bio iterators for the decompression handlers 2016-11-30 13:45:19 +01:00