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| author | Cong Wang | 2011-11-18 09:51:37 +0100 |
|---|---|---|
| committer | Karel Zak | 2011-11-23 13:12:48 +0100 |
| commit | 411fd3c27aed72c50677aaf006ebfa6df39a1cfc (patch) | |
| tree | b40cc09d92913b9c8fda2eb1c713e8bbc0177e7c /sys-utils/fallocate.1 | |
| parent | prlimit: s/amount/number/ (diff) | |
| download | kernel-qcow2-util-linux-411fd3c27aed72c50677aaf006ebfa6df39a1cfc.tar.gz kernel-qcow2-util-linux-411fd3c27aed72c50677aaf006ebfa6df39a1cfc.tar.xz kernel-qcow2-util-linux-411fd3c27aed72c50677aaf006ebfa6df39a1cfc.zip | |
fallocate: add FALLOC_FL_PUNCH_HOLE support
Recent Linux kernel supports FALLOC_FL_PUNCH_HOLE in fallocate(2).
This patch adds FALLOC_FL_PUNCH_HOLE support to fallocate utility,
by introducing a new option -p|--punch-hole.
[kzak@redhat.com: - fix merge conflict in fallocate.1]
Cc: Karel Zak <kzak@redhat.com>
Cc: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/fallocate.1')
| -rw-r--r-- | sys-utils/fallocate.1 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys-utils/fallocate.1 b/sys-utils/fallocate.1 index c0dd483e7..653ebfbe4 100644 --- a/sys-utils/fallocate.1 +++ b/sys-utils/fallocate.1 @@ -5,6 +5,7 @@ fallocate \- preallocate space to a file .SH SYNOPSIS .B fallocate .RB [ \-n ] +.RB [ \-p ] .RB [ \-o .IR offset ] .B \-l @@ -31,6 +32,8 @@ same meaning as "KiB") or decimal (10^N) suffixes KB, MB, GB, PB and EB. .IP "\fB\-n, \-\-keep-size\fP" Do not modify the apparent length of the file. This may effectively allocate blocks past EOF, which can be removed with a truncate. +.IP "\fB\-p, \-\-punch-hole\fP" +Punch holes in the file, the range should not exceed the length of the file. .IP "\fB\-o, \-\-offset\fP \fIoffset\fP Specifies the beginning offset of the allocation, in bytes. .IP "\fB\-l, \-\-length\fP \fIlength\fP |