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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-04 20:30:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-04 20:30:07 -0700
commitb54ecfb7022d93e8d342ed4a2512d858d0682c0c (patch)
tree8eda913e4079141bca296eec35827dc8ab170332 /Documentation/filesystems
parentae9b475ebed96afe51d6bcf10dc7aee9c8d89ed7 (diff)
parentb65ee14818e67127aa242fe1dbd3711b9c095cc0 (diff)
Merge tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim: "This series includes patches to: - add nobarrier mount option - support tmpfile and rename2 - enhance the fdatasync behavior - fix the error path - fix the recovery routine - refactor a part of the checkpoint procedure - reduce some lock contentions" * tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits) f2fs: use for_each_set_bit to simplify the code f2fs: add f2fs_balance_fs for expand_inode_data f2fs: invalidate xattr node page when evict inode f2fs: avoid skipping recover_inline_xattr after recover_inline_data f2fs: add tracepoint for f2fs_direct_IO f2fs: reduce competition among node page writes f2fs: fix coding style f2fs: remove redundant lines in allocate_data_block f2fs: add tracepoint for f2fs_issue_flush f2fs: avoid retrying wrong recovery routine when error was occurred f2fs: test before set/clear bits f2fs: fix wrong condition for unlikely f2fs: enable in-place-update for fdatasync f2fs: skip unnecessary data writes during fsync f2fs: add info of appended or updated data writes f2fs: use radix_tree for ino management f2fs: add infra for ino management f2fs: punch the core function for inode management f2fs: add nobarrier mount option f2fs: fix to put root inode in error path of fill_super ...
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/f2fs.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 51afba17bbae..a2046a7d0a9d 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -126,6 +126,11 @@ flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
recommend to enable this option.
+nobarrier This option can be used if underlying storage guarantees
+ its cached data should be written to the novolatile area.
+ If this option is set, no cache_flush commands are issued
+ but f2fs still guarantees the write ordering of all the
+ data writes.
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