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STABLE14-linux-enroll-locks-20060403

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FIXES 25037

enroll our locks in the linux kernels' lock management


(cherry picked from commit 62e28d9a0a6adc6e1f3c2938bfc530b54bea4158)
This commit is contained in:
Chaskiel M Grundman 2006-06-13 17:00:38 +00:00 committed by Derrick Brashear
parent df39e2ec8a
commit e5e8d2ac72
1 changed files with 19 additions and 0 deletions
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19
src/afs/LINUX/osi_vnodeops.c
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@ -463,6 +463,25 @@ afs_linux_lock(struct file *fp, int cmd, struct file_lock *flp)
code = afs_lockctl(vcp, &flock, cmd, credp);
AFS_GUNLOCK();
#ifdef AFS_LINUX24_ENV
if (code == 0 && (cmd == F_SETLK || cmd == F_SETLKW)) {
struct file_lock flp2;
flp2 = *flp;
#ifdef AFS_LINUX26_ENV
flp2.fl_flags &=~ FL_SLEEP;
#endif
code = posix_lock_file(fp, &flp2);
osi_Assert(code != -EAGAIN); /* there should be no conflicts */
if (code) {
struct AFS_FLOCK flock2;
flock2 = flock;
flock2.l_type = F_UNLCK;
AFS_GLOCK();
afs_lockctl(vcp, &flock2, F_SETLK, credp);
AFS_GUNLOCK();
}
}
#endif
/* Convert flock back to Linux's file_lock */
flp->fl_type = flock.l_type;
flp->fl_pid = flock.l_pid;