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| author | Karel Zak | 2009-04-23 15:09:04 +0200 |
|---|---|---|
| committer | Karel Zak | 2009-04-23 15:09:04 +0200 |
| commit | fc08b4bb9d5997c0d65eec37b5c795ddbbbebd97 (patch) | |
| tree | 014818f66759ef9f0e697053013cb7adb9447475 /mount/lomount.c | |
| parent | ionice: change Jens Axboe's email (diff) | |
| download | kernel-qcow2-util-linux-fc08b4bb9d5997c0d65eec37b5c795ddbbbebd97.tar.gz kernel-qcow2-util-linux-fc08b4bb9d5997c0d65eec37b5c795ddbbbebd97.tar.xz kernel-qcow2-util-linux-fc08b4bb9d5997c0d65eec37b5c795ddbbbebd97.zip | |
losetup: mount endless loop hang
Based on
fix-hang-on-stale-nfs.diff
from SUSE src.rpm package.
It seems better to more precisely check for ENXIO rather than assume
that all LOOP_GET_STATUS errors mean that the device is not used.
Addresses-Novell-Bugzilla: #449646
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'mount/lomount.c')
| -rw-r--r-- | mount/lomount.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mount/lomount.c b/mount/lomount.c index 6b102925f..d62198ef2 100644 --- a/mount/lomount.c +++ b/mount/lomount.c @@ -97,7 +97,11 @@ static int is_loop_used(int fd) { struct loop_info li; - return ioctl (fd, LOOP_GET_STATUS, &li) == 0; + + errno = 0; + if (ioctl (fd, LOOP_GET_STATUS, &li) < 0 && errno == ENXIO) + return 0; + return 1; } static int |