diff options
Diffstat (limited to 'fs/btrfs/props.c')
| -rw-r--r-- | fs/btrfs/props.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c index 2dcb1cb21634..b1cb5a8c2999 100644 --- a/fs/btrfs/props.c +++ b/fs/btrfs/props.c @@ -260,6 +260,10 @@ static int prop_compression_validate(const char *value, size_t len) if (btrfs_compress_is_valid_type(value, len)) return 0; + if ((len == 2 && strncmp("no", value, 2) == 0) || + (len == 4 && strncmp("none", value, 4) == 0)) + return 0; + return -EINVAL; } @@ -269,7 +273,17 @@ static int prop_compression_apply(struct inode *inode, const char *value, struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int type; + /* Reset to defaults */ if (len == 0) { + BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS; + BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS; + BTRFS_I(inode)->prop_compress = BTRFS_COMPRESS_NONE; + return 0; + } + + /* Set NOCOMPRESS flag */ + if ((len == 2 && strncmp("no", value, 2) == 0) || + (len == 4 && strncmp("none", value, 4) == 0)) { BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS; BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS; BTRFS_I(inode)->prop_compress = BTRFS_COMPRESS_NONE; @@ -348,7 +362,7 @@ static int inherit_props(struct btrfs_trans_handle *trans, /* * This is not strictly necessary as the property should be - * valid, but in case it isn't, don't propagate it futher. + * valid, but in case it isn't, don't propagate it further. */ ret = h->validate(value, strlen(value)); if (ret) |