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authorBob Peterson <rpeterso@redhat.com>2020-06-01 11:37:09 -0400
committerAndreas Gruenbacher <agruenba@redhat.com>2020-06-02 21:23:55 +0200
commit1a0b00d15d4005390b74154e98822fc7d36d36cd (patch)
tree0d671aa212844ec12431f8a86be8bcf9f34c73cd /fs/gfs2
parentea22eee4e6027d8927099de344f7fff43c507ef9 (diff)
downloadlinux-1a0b00d15d4005390b74154e98822fc7d36d36cd.tar.bz2
gfs2: Only do glock put in gfs2_create_inode for free inodes
Before this patch, the error path of function gfs2_create_inode would always calls gfs2_glock_put for the inode glock. That's good for inodes that are free. But after they've been added to the vfs inodes, errors will cause the inode to be evicted, and the evict will do the glock put for us. If we do a glock put again, we can try to free the glock while there are still references to it, e.g. revokes pending for the transaction that created it. This patch adds a check: if (free_vfs_inode) before the put, thus solving the problem. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/inode.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 5acd3ce30759..e3a27fd284dd 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -780,7 +780,8 @@ fail_gunlock2:
fail_free_inode:
if (ip->i_gl) {
glock_clear_object(ip->i_gl, ip);
- gfs2_glock_put(ip->i_gl);
+ if (free_vfs_inode) /* else evict will do the put for us */
+ gfs2_glock_put(ip->i_gl);
}
gfs2_rs_delete(ip, NULL);
gfs2_qa_put(ip);