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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-27 12:21:49 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-01-06 16:42:19 +0900 |
| commit | 26f466f4a948ddc765f9b474ad6e0bdb94fb1a66 (patch) | |
| tree | c5decc32c0b02f6cf081518c182e1ed3ef5705fb | |
| parent | 8230a0a49fc3f587644b284e51ac092607aa74bf (diff) | |
| download | linux-stable-26f466f4a948ddc765f9b474ad6e0bdb94fb1a66.tar.gz linux-stable-26f466f4a948ddc765f9b474ad6e0bdb94fb1a66.tar.bz2 linux-stable-26f466f4a948ddc765f9b474ad6e0bdb94fb1a66.zip | |
f2fs: call f2fs_put_page at the error case
In f2fs_write_begin(), if f2fs_conver_inline_data() returns an error like
-ENOSPC, f2fs should call f2fs_put_page().
Otherwise, it is remained as a locked page, resulting in the following bug.
[<ffffffff8114657e>] sleep_on_page+0xe/0x20
[<ffffffff81146567>] __lock_page+0x67/0x70
[<ffffffff81157d08>] truncate_inode_pages_range+0x368/0x5d0
[<ffffffff81157ff5>] truncate_inode_pages+0x15/0x20
[<ffffffff8115804b>] truncate_pagecache+0x4b/0x70
[<ffffffff81158082>] truncate_setsize+0x12/0x20
[<ffffffffa02a1842>] f2fs_setattr+0x72/0x270 [f2fs]
[<ffffffff811cdae3>] notify_change+0x213/0x400
[<ffffffff811ab376>] do_truncate+0x66/0xa0
[<ffffffff811ab541>] vfs_truncate+0x191/0x1b0
[<ffffffff811ab5bc>] do_sys_truncate+0x5c/0xa0
[<ffffffff811ab78e>] SyS_truncate+0xe/0x10
[<ffffffff81756052>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
| -rw-r--r-- | fs/f2fs/data.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index bf39eed2442f..253e6633dbf6 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -916,8 +916,10 @@ repeat: goto inline_data; } else if (f2fs_has_inline_data(inode)) { err = f2fs_convert_inline_data(inode, page, flags); - if (err) + if (err) { + f2fs_put_page(page, 1); return err; + } } f2fs_lock_op(sbi); |