From 19aee8dea31fbaa5139968d20e36e1d78cbf30a0 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Tue, 18 Jul 2017 17:37:05 +0800 Subject: 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 Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/inode.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'fs/btrfs/inode.c') 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, -- cgit v1.2.1