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staging: lustre: llite: clear dir stripe md in ll_iget

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If ll_iget fails during inode initialization, especially
during striped directory lookup after creation failed,
then it should clear stripe MD before make_bad_inode(),
because make_bad_inode() will reset the i_mode, which
can cause ll_clear_inode() skip freeing those stripe MD.

Signed-off-by: wang di <di.wang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7230
Reviewed-on: http://review.whamcloud.com/16677
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wang di 2016-11-10 12:30:52 -05:00 committed by Greg Kroah-Hartman
parent 54576e132e
commit a80ba5fe75
3 changed files with 12 additions and 1 deletions
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1
drivers/staging/lustre/lustre/llite/llite_internal.h
View File

@ -787,6 +787,7 @@ int ll_fill_super(struct super_block *sb, struct vfsmount *mnt);
void ll_put_super(struct super_block *sb);
void ll_kill_super(struct super_block *sb);
struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock);
void ll_dir_clear_lsm_md(struct inode *inode);
void ll_clear_inode(struct inode *inode);
int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import);
int ll_setattr(struct dentry *de, struct iattr *attr);

2
drivers/staging/lustre/lustre/llite/llite_lib.c
View File

@ -1055,7 +1055,7 @@ struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock)
return inode;
}
static void ll_dir_clear_lsm_md(struct inode *inode)
void ll_dir_clear_lsm_md(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);

10
drivers/staging/lustre/lustre/llite/namei.c
View File

@ -117,6 +117,14 @@ struct inode *ll_iget(struct super_block *sb, ino_t hash,
rc = cl_file_inode_init(inode, md);
if (rc) {
/*
* Let's clear directory lsm here, otherwise
* make_bad_inode() will reset the inode mode
* to regular, then ll_clear_inode will not
* be able to clear lsm_md
*/
if (S_ISDIR(inode->i_mode))
ll_dir_clear_lsm_md(inode);
make_bad_inode(inode);
unlock_new_inode(inode);
iput(inode);
@ -129,6 +137,8 @@ struct inode *ll_iget(struct super_block *sb, ino_t hash,
CDEBUG(D_VFSTRACE, "got inode: "DFID"(%p): rc = %d\n",
PFID(&md->body->mbo_fid1), inode, rc);
if (rc) {
if (S_ISDIR(inode->i_mode))
ll_dir_clear_lsm_md(inode);
iput(inode);
inode = ERR_PTR(rc);
}