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Code Issues Releases Activity

Busy filesystem around call of VFS_QUOTACTL() vfs op.

Browse Source 
Tested by:	Peter Holm
Reviewed by:	tegge
Approved by:	re (kensmith)
This commit is contained in:
Konstantin Belousov 2007-03-14 08:45:55 +00:00
parent c4bbe0e7f4
commit 71d49316cc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167540
1 changed files with 7 additions and 6 deletions
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13
sys/kern/vfs_syscalls.c
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@ -176,7 +176,7 @@ quotactl(td, uap)
caddr_t arg;
} */ *uap;
{
struct mount *mp, *vmp;
struct mount *mp;
int vfslocked;
int error;
struct nameidata nd;
@ -191,14 +191,15 @@ quotactl(td, uap)
return (error);
vfslocked = NDHASGIANT(&nd);
NDFREE(&nd, NDF_ONLY_PNBUF);
error = vn_start_write(nd.ni_vp, &vmp, V_WAIT | PCATCH);
mp = nd.ni_vp->v_mount;
if ((error = vfs_busy(mp, 0, NULL, td))) {
vrele(nd.ni_vp);
VFS_UNLOCK_GIANT(vfslocked);
return (error);
}
vrele(nd.ni_vp);
if (error)
goto out;
error = VFS_QUOTACTL(mp, uap->cmd, uap->uid, uap->arg, td);
vn_finished_write(vmp);
out:
vfs_unbusy(mp, td);
VFS_UNLOCK_GIANT(vfslocked);
return (error);
}