Messages in this thread Patch in this message | | | From | Joern Engel <> | Subject | [PATCH 8/9] blockconsole: Allow to pass a device file path to bcon_tail | Date | Thu, 28 Feb 2013 16:40:01 -0500 |
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From: Takashi Iwai <tiwai@suse.de>
... instead of always looking through all devices.
Minor tweak: Moved the "CANDIDATES=" line below Takashi's new code.
Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Joern Engel <joern@logfs.org> --- Documentation/block/blockconsole/bcon_tail | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/Documentation/block/blockconsole/bcon_tail b/Documentation/block/blockconsole/bcon_tail index eb3524b..70926c6 100755 --- a/Documentation/block/blockconsole/bcon_tail +++ b/Documentation/block/blockconsole/bcon_tail @@ -58,6 +58,21 @@ end_of_log() { # HEADER contains a newline, so the funny quoting is necessary HEADER=' Linux blockconsole version 1.1' + +DEV="$1" +if [ -n "$DEV" ]; then + if [ ! -b "$DEV" ]; then + echo "bcon_tail: No block device file $DEV" + exit 1 + fi + if [ "`head -c32 $DEV`" != "$HEADER" ]; then + echo "bcon_tail: Invalid device file $DEV" + exit 1 + fi + end_of_log $DEV + exit 0 +fi + CANDIDATES=`lsscsi |sed 's|.*/dev|/dev|'` for DEV in $CANDIDATES; do -- 1.7.10.4
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