diff options
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/caching/operations.txt | 2 | ||||
-rw-r--r-- | Documentation/filesystems/f2fs.txt | 5 | ||||
-rw-r--r-- | Documentation/filesystems/proc.txt | 19 |
3 files changed, 25 insertions, 1 deletions
diff --git a/Documentation/filesystems/caching/operations.txt b/Documentation/filesystems/caching/operations.txt index bee2a5f..a1c052c 100644 --- a/Documentation/filesystems/caching/operations.txt +++ b/Documentation/filesystems/caching/operations.txt @@ -90,7 +90,7 @@ operations: to be cleared before proceeding: wait_on_bit(&op->flags, FSCACHE_OP_WAITING, - fscache_wait_bit, TASK_UNINTERRUPTIBLE); + TASK_UNINTERRUPTIBLE); (2) The operation may be fast asynchronous (FSCACHE_OP_FAST), in which case it diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 51afba1..a2046a7 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. ================================================================================ DEBUGFS ENTRIES diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index ddc531a..eb8a10e 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1743,6 +1743,25 @@ pair provide additional information particular to the objects they represent. While the first three lines are mandatory and always printed, the rest is optional and may be omitted if no marks created yet. + Timerfd files + ~~~~~~~~~~~~~ + + pos: 0 + flags: 02 + mnt_id: 9 + clockid: 0 + ticks: 0 + settime flags: 01 + it_value: (0, 49406829) + it_interval: (1, 0) + + where 'clockid' is the clock type and 'ticks' is the number of the timer expirations + that have occurred [see timerfd_create(2) for details]. 'settime flags' are + flags in octal form been used to setup the timer [see timerfd_settime(2) for + details]. 'it_value' is remaining time until the timer exiration. + 'it_interval' is the interval for the timer. Note the timer might be set up + with TIMER_ABSTIME option which will be shown in 'settime flags', but 'it_value' + still exhibits timer's remaining time. ------------------------------------------------------------------------------ Configuring procfs |