diff options
| -rw-r--r-- | sys/ufs/ufs/ufs_extattr.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/sys/ufs/ufs/ufs_extattr.c b/sys/ufs/ufs/ufs_extattr.c index bf4a7a5..e77e9fb 100644 --- a/sys/ufs/ufs/ufs_extattr.c +++ b/sys/ufs/ufs/ufs_extattr.c @@ -41,6 +41,7 @@ #include <sys/lock.h> #include <sys/dirent.h> #include <sys/extattr.h> +#include <sys/sysctl.h> #include <vm/vm_zone.h> @@ -59,6 +60,10 @@ static MALLOC_DEFINE(M_UFS_EXTATTR, "ufs_extattr", "ufs extended attribute"); +static int ufs_extattr_sync = 0; +SYSCTL_INT(_debug, OID_AUTO, ufs_extattr_sync, CTLFLAG_RW, &ufs_extattr_sync, + 0, ""); + static int ufs_extattr_valid_attrname(const char *attrname); static int ufs_extattr_credcheck(struct vnode *vp, struct ufs_extattr_list_entry *uele, struct ucred *cred, struct proc *p, @@ -1018,7 +1023,7 @@ ufs_extattr_set(struct vnode *vp, int attrnamespace, const char *name, struct ufsmount *ump = VFSTOUFS(mp); struct inode *ip = VTOI(vp); off_t base_offset; - int error = 0; + int error = 0, ioflag; if (vp->v_mount->mnt_flag & MNT_RDONLY) return (EROFS); @@ -1080,8 +1085,11 @@ ufs_extattr_set(struct vnode *vp, int attrnamespace, const char *name, vn_lock(attribute->uele_backing_vnode, LK_EXCLUSIVE | LK_NOPAUSE | LK_RETRY, p); - error = VOP_WRITE(attribute->uele_backing_vnode, &local_aio, - IO_NODELOCKED | IO_SYNC, ump->um_extattr.uepm_ucred); + ioflag = IO_NODELOCKED; + if (ufs_extattr_sync) + ioflag |= IO_SYNC; + error = VOP_WRITE(attribute->uele_backing_vnode, &local_aio, ioflag, + ump->um_extattr.uepm_ucred); if (error) goto vopunlock_exit; @@ -1094,9 +1102,12 @@ ufs_extattr_set(struct vnode *vp, int attrnamespace, const char *name, * Write out user data. */ uio->uio_offset = base_offset + sizeof(struct ufs_extattr_header); - - error = VOP_WRITE(attribute->uele_backing_vnode, uio, - IO_NODELOCKED | IO_SYNC, ump->um_extattr.uepm_ucred); + + ioflag = IO_NODELOCKED; + if (ufs_extattr_sync) + ioflag |= IO_SYNC; + error = VOP_WRITE(attribute->uele_backing_vnode, uio, ioflag, + ump->um_extattr.uepm_ucred); vopunlock_exit: uio->uio_offset = 0; @@ -1123,7 +1134,7 @@ ufs_extattr_rm(struct vnode *vp, int attrnamespace, const char *name, struct ufsmount *ump = VFSTOUFS(mp); struct inode *ip = VTOI(vp); off_t base_offset; - int error = 0; + int error = 0, ioflag; if (vp->v_mount->mnt_flag & MNT_RDONLY) return (EROFS); @@ -1211,8 +1222,11 @@ ufs_extattr_rm(struct vnode *vp, int attrnamespace, const char *name, local_aio.uio_offset = base_offset; local_aio.uio_resid = sizeof(struct ufs_extattr_header); - error = VOP_WRITE(attribute->uele_backing_vnode, &local_aio, - IO_NODELOCKED | IO_SYNC, ump->um_extattr.uepm_ucred); + ioflag = IO_NODELOCKED; + if (ufs_extattr_sync) + ioflag |= IO_SYNC; + error = VOP_WRITE(attribute->uele_backing_vnode, &local_aio, ioflag, + ump->um_extattr.uepm_ucred); if (error) goto vopunlock_exit; |
