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[XFS] Interim solution for attribute insertion failure during file

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creation due to ENOSPC. The current solution removes the inode when the
attribute insertion fails. Long term solution would be to make the inode
creation and attribute insertion atomic.

SGI-PV: 947610
SGI-Modid: xfs-linux-melb:xfs-kern:205193a

Signed-off-by: Yingping Lu <yingping@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Yingping Lu 2006-02-01 12:14:34 +11:00 committed by Nathan Scott
parent 3ee68c4af3
commit 3a69c7dc6f
1 changed files with 32 additions and 18 deletions
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50
fs/xfs/linux-2.6/xfs_iops.c
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@ -262,6 +262,31 @@ has_fs_struct(struct task_struct *task)
return (task->fs != init_task.fs); return (task->fs != init_task.fs);
} }
STATIC inline void
cleanup_inode(
vnode_t *dvp,
vnode_t *vp,
struct dentry *dentry,
int mode)
{
struct dentry teardown = {};
int err2;
/* Oh, the horror.
* If we can't add the ACL or we fail in
* linvfs_init_security we must back out.
* ENOSPC can hit here, among other things.
*/
teardown.d_inode = LINVFS_GET_IP(vp);
teardown.d_name = dentry->d_name;
if (S_ISDIR(mode))
VOP_RMDIR(dvp, &teardown, NULL, err2);
else
VOP_REMOVE(dvp, &teardown, NULL, err2);
VN_RELE(vp);
}
STATIC int STATIC int
linvfs_mknod( linvfs_mknod(
struct inode *dir, struct inode *dir,
@ -316,30 +341,19 @@ linvfs_mknod(
} }
if (!error) if (!error)
{
error = linvfs_init_security(vp, dir); error = linvfs_init_security(vp, dir);
if (error)
cleanup_inode(dvp, vp, dentry, mode);
}
if (default_acl) { if (default_acl) {
if (!error) { if (!error) {
error = _ACL_INHERIT(vp, &va, default_acl); error = _ACL_INHERIT(vp, &va, default_acl);
if (!error) { if (!error)
VMODIFY(vp); VMODIFY(vp);
} else { else
struct dentry teardown = {}; cleanup_inode(dvp, vp, dentry, mode);
int err2;
/* Oh, the horror.
* If we can't add the ACL we must back out.
* ENOSPC can hit here, among other things.
*/
teardown.d_inode = ip = LINVFS_GET_IP(vp);
teardown.d_name = dentry->d_name;
if (S_ISDIR(mode))
VOP_RMDIR(dvp, &teardown, NULL, err2);
else
VOP_REMOVE(dvp, &teardown, NULL, err2);
VN_RELE(vp);
}
} }
_ACL_FREE(default_acl); _ACL_FREE(default_acl);
} }