diff options
| author | Anand Jain <Anand.Jain@oracle.com> | 2017-07-18 17:37:05 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-08-16 16:12:02 +0200 |
| commit | 19aee8dea31fbaa5139968d20e36e1d78cbf30a0 (patch) | |
| tree | ffdfd02237cf1daddb4e030157b431d8b4000a45 /fs/btrfs/inode.c | |
| parent | 26b28dce50091ae36ebb0bf9cb814a43861f0641 (diff) | |
btrfs: btrfs_inherit_iflags() can be static
btrfs_new_inode() is the only consumer move it to inode.c,
from ioctl.c.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3bf7bae36e56..3926e9cbf0d9 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6183,6 +6183,37 @@ static int btrfs_insert_inode_locked(struct inode *inode) btrfs_find_actor, &args); } +/* + * Inherit flags from the parent inode. + * + * Currently only the compression flags and the cow flags are inherited. + */ +static void btrfs_inherit_iflags(struct inode *inode, struct inode *dir) +{ + unsigned int flags; + + if (!dir) + return; + + flags = BTRFS_I(dir)->flags; + + if (flags & BTRFS_INODE_NOCOMPRESS) { + BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS; + BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS; + } else if (flags & BTRFS_INODE_COMPRESS) { + BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS; + BTRFS_I(inode)->flags |= BTRFS_INODE_COMPRESS; + } + + if (flags & BTRFS_INODE_NODATACOW) { + BTRFS_I(inode)->flags |= BTRFS_INODE_NODATACOW; + if (S_ISREG(inode->i_mode)) + BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM; + } + + btrfs_update_iflags(inode); +} + static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *dir, |