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ocfs2: Little refactoring against ocfs2_iget.

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ocfs2_iget is used to get/create inode. Only iget5_locked
will give us an inode = NULL. So move this check ahead of
ocfs2_read_locked_inode so that we don't need to check
inode before we read and unlock inode. This is also helpful
for trace event(see the next patch).

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
This commit is contained in:
Tao Ma 2011-02-21 11:18:30 +08:00
parent 468eedde23
commit 6218b90e76
1 changed files with 5 additions and 5 deletions
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10
fs/ocfs2/inode.c
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@ -152,16 +152,16 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
/* inode was *not* in the inode cache. 2.6.x requires
* us to do our own read_inode call and unlock it
* afterwards. */
if (inode && inode->i_state & I_NEW) {
mlog(0, "Inode was not in inode cache, reading it.\n");
ocfs2_read_locked_inode(inode, &args);
unlock_new_inode(inode);
}
if (inode == NULL) {
inode = ERR_PTR(-ENOMEM);
mlog_errno(PTR_ERR(inode));
goto bail;
}
if (inode->i_state & I_NEW) {
mlog(0, "Inode was not in inode cache, reading it.\n");
ocfs2_read_locked_inode(inode, &args);
unlock_new_inode(inode);
}
if (is_bad_inode(inode)) {
iput(inode);
inode = ERR_PTR(-ESTALE);