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| author | Karel Zak | 2010-05-13 22:26:27 +0200 |
|---|---|---|
| committer | Karel Zak | 2010-05-13 23:27:22 +0200 |
| commit | 0979291016877f5e85e1e8341279e4aea53dbe67 (patch) | |
| tree | a60968f22727cb8d20c7c669bd90dfd97f6b2daa /misc-utils/blkid.8 | |
| parent | blkid: update man page/usage() (diff) | |
| download | kernel-qcow2-util-linux-0979291016877f5e85e1e8341279e4aea53dbe67.tar.gz kernel-qcow2-util-linux-0979291016877f5e85e1e8341279e4aea53dbe67.tar.xz kernel-qcow2-util-linux-0979291016877f5e85e1e8341279e4aea53dbe67.zip | |
blkid: add -i option to print I/O limits
blkid -i /dev/sdb /dev/sda
/dev/sdb: MINIMUM_IO_SIZE="512" OPTIMAL_IO_SIZE="32768" PHYSICAL_SECTOR_SIZE="512" LOGICAL_SECTOR_SIZE="512"
/dev/sda: MINIMUM_IO_SIZE="512" PHYSICAL_SECTOR_SIZE="512" LOGICAL_SECTOR_SIZE="512"
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/blkid.8')
| -rw-r--r-- | misc-utils/blkid.8 | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8 index 339e1301b..810c128fc 100644 --- a/misc-utils/blkid.8 +++ b/misc-utils/blkid.8 @@ -50,6 +50,18 @@ blkid \- command\-line utility to locate/print block device attributes .IR list ] .I device [\fIdevice\fR ...] +.in -9 + +.B blkid +.RB -i +.RB [ \-s +.IR tag ] +.RB [ \-o +.IR format ] +.RB [ \-s +.IR tag ] +.I device +[\fIdevice\fR ...] .SH DESCRIPTION The @@ -85,6 +97,10 @@ devices which no longer exist. .B \-h Display a usage message and exit. .TP +.B \-i +Display I/O Limits (aka I/O topology) information. This option could be used +together with \fB-p\fR option. +.TP .B \-l Look up one device that matches the search parameter specified using the @@ -141,7 +157,7 @@ print the value of the tags .TP .B list print the devices in a user-friendly format, this output format is unsupported -for low-level probing (\fB-p\fR) +for low-level probing (\fB-p\fR or \fB-i\fR) .TP .B device print the device name only, this output format is always enabled for \fB-L\fR @@ -152,10 +168,11 @@ vol_id compatible mode; usable in udev rules .RE .TP .BI \-O " offset" -Probe at the given offset (only useful with \fB-p\fR). +Probe at the given offset (only useful with \fB-p\fR). This option could be +used together with \fB-i\fR option. .TP .BI \-p -Switch to low-level probing mode (bypass cache) +Switch to low-level superblock probing mode (bypass cache). .TP .BI \-s " tag" For each (specified) device, show only the tags that match |