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authorEric Biggers <ebiggers@google.com>2017-05-22 17:39:45 -0700
committerMoyster <oysterized@gmail.com>2017-07-21 12:37:34 +0200
commitf59079466dbefd2e15aeb1bf7e24649d883e29ff (patch)
treeeff302559d3a52daee1b93fdb3a7863ead29f045
parent2bb4b075cbd88261327be30f954376e06b6465af (diff)
f2fs: don't bother checking for encryption key in ->write_iter()
Since only an open file can be written to, and we only allow open()ing an encrypted file when its key is available, there is no need to check for the key again before permitting each ->write_iter(). This code was also broken in that it wouldn't actually have failed if the key was in fact unavailable. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: David Gstir <david@sigma-star.at> Acked-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r--fs/f2fs/file.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5913bafb7..7e67d039e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2348,11 +2348,6 @@ static ssize_t f2fs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
struct blk_plug plug;
ssize_t ret;
- if (f2fs_encrypted_inode(inode) &&
- !fscrypt_has_encryption_key(inode) &&
- fscrypt_get_encryption_info(inode))
- return -EACCES;
-
ret = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ);
if (ret)
return ret;