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| author | Eric Wong <normalperson@yhbt.net> | 2012-11-15 03:42:50 +0000 |
|---|---|---|
| committer | Eric Wong <normalperson@yhbt.net> | 2012-11-15 04:05:53 +0000 |
| commit | e11a55dee1f5ad36bfb6f5a9b2484ef63522df41 (patch) | |
| tree | 880893a4d9471490910de994d7eebb733a51fcac /pcu-fsync.1.txt | |
| parent | 1567a0746ca0083fe43c95a725a69228929ff9a3 (diff) | |
| download | pcu-e11a55dee1f5ad36bfb6f5a9b2484ef63522df41.tar.gz | |
pcu-fsync: add support for syncfs() on Linux (-f flag)
Sometimes it is useful to just commit a single filesystem. This transparently falls back to using sync(2) if syncfs(2) is not available.
Diffstat (limited to 'pcu-fsync.1.txt')
| -rw-r--r-- | pcu-fsync.1.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pcu-fsync.1.txt b/pcu-fsync.1.txt index 958f0d3..3cafe08 100644 --- a/pcu-fsync.1.txt +++ b/pcu-fsync.1.txt @@ -6,7 +6,7 @@ pcu-fsync - synchronizes a files in-core state with storage device # SYNOPSIS -pcu-fsync [-D] [-d] FILE... +pcu-fsync [-D] [-d] [-f] FILE... # DESCRIPTION A command-line interface to the fsync(2) and fdatasync(2) system calls @@ -25,6 +25,11 @@ using applications that fail to explicitly do so. special cases where applications do not require the performance overhead of flushing metadata to the storage device. +-f +: Flush data on the filesystem containing the specified file + (or directory). This uses the syncfs(2) syscall under Linux, + and falls back to sync(2) if unavailable. + # OUTPUT Errors only. |