Commit c36b97e9 authored by Bob Peterson's avatar Bob Peterson
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GFS2: Protect freeing directory hash table with i_lock spin_lock

This patch changes function gfs2_dir_hash_inval so it uses the
i_lock spin_lock to protect the in-core hash table, i_hash_cache.
This will prevent double-frees due to a race between gfs2_evict_inode
and inode invalidation.
Signed-off-by: default avatarBob Peterson <>
parent f3dd1649
...@@ -388,8 +388,13 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip) ...@@ -388,8 +388,13 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip)
*/ */
void gfs2_dir_hash_inval(struct gfs2_inode *ip) void gfs2_dir_hash_inval(struct gfs2_inode *ip)
{ {
__be64 *hc = ip->i_hash_cache; __be64 *hc;
hc = ip->i_hash_cache;
ip->i_hash_cache = NULL; ip->i_hash_cache = NULL;
kvfree(hc); kvfree(hc);
} }
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