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ocfs2: add duplicated ino number check
Add duplicated ino number check, to avoid adding a file into the file check list when this file is being checked. Link: http://lkml.kernel.org/r/1495611866-27360-5-git-send-email-ghe@suse.com Signed-off-by: Gang He <ghe@suse.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <jiangqi903@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -353,6 +353,22 @@ exit:
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return total;
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}
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static inline int
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ocfs2_filecheck_is_dup_entry(struct ocfs2_filecheck_sysfs_entry *ent,
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unsigned long ino)
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{
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struct ocfs2_filecheck_entry *p;
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list_for_each_entry(p, &ent->fs_fcheck->fc_head, fe_list) {
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if (!p->fe_done) {
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if (p->fe_ino == ino)
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return 1;
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}
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}
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return 0;
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}
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static inline int
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ocfs2_filecheck_erase_entry(struct ocfs2_filecheck_sysfs_entry *ent)
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{
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@ -467,7 +483,10 @@ static ssize_t ocfs2_filecheck_attr_store(struct kobject *kobj,
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}
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spin_lock(&ent->fs_fcheck->fc_lock);
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if ((ent->fs_fcheck->fc_size >= ent->fs_fcheck->fc_max) &&
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if (ocfs2_filecheck_is_dup_entry(ent, args.fa_ino)) {
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ret = -EEXIST;
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kfree(entry);
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} else if ((ent->fs_fcheck->fc_size >= ent->fs_fcheck->fc_max) &&
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(ent->fs_fcheck->fc_done == 0)) {
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mlog(ML_NOTICE,
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"Cannot do more file check "
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