diff options
-rw-r--r-- | fs/aio.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -274,14 +274,17 @@ __initcall(aio_setup); static void put_aio_ring_file(struct kioctx *ctx) { struct file *aio_ring_file = ctx->aio_ring_file; + struct address_space *i_mapping; + if (aio_ring_file) { truncate_setsize(aio_ring_file->f_inode, 0); /* Prevent further access to the kioctx from migratepages */ - spin_lock(&aio_ring_file->f_inode->i_mapping->private_lock); - aio_ring_file->f_inode->i_mapping->private_data = NULL; + i_mapping = aio_ring_file->f_inode->i_mapping; + spin_lock(&i_mapping->private_lock); + i_mapping->private_data = NULL; ctx->aio_ring_file = NULL; - spin_unlock(&aio_ring_file->f_inode->i_mapping->private_lock); + spin_unlock(&i_mapping->private_lock); fput(aio_ring_file); } |