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[JFFS2] Prevent ino cache removal for inodes in use

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Don't remove inocache for inodes which are in read_inode() or
clear_inode() until they're done.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
David Woodhouse
2005-02-27 23:01:36 +00:00
committed by Thomas Gleixner
parent 002fa30170
commit 67e345d17f
5 changed files with 24 additions and 16 deletions
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10
fs/jffs2/readinode.c
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@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: readinode.c,v 1.117 2004/11/20 18:06:54 dwmw2 Exp $
* $Id: readinode.c,v 1.118 2005/02/27 23:01:33 dwmw2 Exp $
*
*/
@ -672,6 +672,9 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f)
down(&f->sem);
deleted = f->inocache && !f->inocache->nlink;
if (f->inocache && f->inocache->state != INO_STATE_CHECKING)
jffs2_set_inocache_state(c, f->inocache, INO_STATE_CLEARING);
if (f->metadata) {
if (deleted)
jffs2_mark_node_obsolete(c, f->metadata->raw);
@ -688,8 +691,11 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f)
jffs2_free_full_dirent(fd);
}
if (f->inocache && f->inocache->state != INO_STATE_CHECKING)
if (f->inocache && f->inocache->state != INO_STATE_CHECKING) {
jffs2_set_inocache_state(c, f->inocache, INO_STATE_CHECKEDABSENT);
if (f->inocache->nodes == (void *)f->inocache)
jffs2_del_ino_cache(c, f->inocache);
}
up(&f->sem);
}