From 67cf5b09a46f72e048501b84996f2f77bc42e947 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 10 Dec 2012 14:04:46 -0500 Subject: ext4: add the basic function for inline data support Implement inline data with xattr. Now we use "system.data" to store xattr, and the xattr will be extended if the i_size is increased while we don't release the space during truncate. Signed-off-by: Tao Ma Signed-off-by: "Theodore Ts'o" --- fs/ext4/inode.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/ext4/inode.c') diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index befa005..e23f114 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3706,8 +3706,10 @@ static inline void ext4_iget_extra_inode(struct inode *inode, { __le32 *magic = (void *)raw_inode + EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize; - if (*magic == cpu_to_le32(EXT4_XATTR_MAGIC)) + if (*magic == cpu_to_le32(EXT4_XATTR_MAGIC)) { ext4_set_inode_state(inode, EXT4_STATE_XATTR); + ext4_find_inline_data_nolock(inode); + } } struct inode *ext4_iget(struct super_block *sb, unsigned long ino) @@ -3780,6 +3782,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */ + ei->i_inline_off = 0; ei->i_dir_start_lookup = 0; ei->i_dtime = le32_to_cpu(raw_inode->i_dtime); /* We now have enough fields to check if the inode was active or not. -- cgit v1.1