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f2fs crypto: make sure the encryption info is initialized on opendir(2)

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This patch syncs f2fs with commit 6bc445e0ff ("ext4 crypto: make
sure the encryption info is initialized on opendir(2)") from ext4.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2016-02-14 18:56:55 +08:00 committed by Jaegeuk Kim
parent 28bc106b23
commit ed3360abbc
1 changed files with 8 additions and 0 deletions
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8
fs/f2fs/dir.c
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@ -902,11 +902,19 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
return err;
}
static int f2fs_dir_open(struct inode *inode, struct file *filp)
{
if (f2fs_encrypted_inode(inode))
return f2fs_get_encryption_info(inode) ? -EACCES : 0;
return 0;
}
const struct file_operations f2fs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate = f2fs_readdir,
.fsync = f2fs_sync_file,
.open = f2fs_dir_open,
.unlocked_ioctl = f2fs_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = f2fs_compat_ioctl,