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| author | Christoph Hellwig <hch@lst.de> | 2009-04-17 10:37:41 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-06-10 17:29:52 +0200 |
| commit | 6cbff00f4632c8060b06bfc9585805217f11e12e (patch) | |
| tree | 1886c4c855662172b84be2bfbd2aa5ac6a5c429d /fs/btrfs/ctree.h | |
| parent | Btrfs: autodetect SSD devices (diff) | |
| download | linux-6cbff00f4632c8060b06bfc9585805217f11e12e.tar.xz linux-6cbff00f4632c8060b06bfc9585805217f11e12e.zip | |
Btrfs: implement FS_IOC_GETFLAGS/SETFLAGS/GETVERSION
Add support for the standard attributes set via chattr and read via
lsattr. Currently we store the attributes in the flags value in
the btrfs inode, but I wonder whether we should split it into two so
that we don't have to keep converting between the two formats.
Remove the btrfs_clear_flag/btrfs_set_flag/btrfs_test_flag macros
as they were confusing the existing code and got in the way of the
new additions.
Also add the FS_IOC_GETVERSION ioctl for getting i_generation as it's
trivial.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 5fa7d7d287a4..4d6e0b6f21ea 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1115,12 +1115,14 @@ struct btrfs_root { #define BTRFS_INODE_READONLY (1 << 2) #define BTRFS_INODE_NOCOMPRESS (1 << 3) #define BTRFS_INODE_PREALLOC (1 << 4) -#define btrfs_clear_flag(inode, flag) (BTRFS_I(inode)->flags &= \ - ~BTRFS_INODE_##flag) -#define btrfs_set_flag(inode, flag) (BTRFS_I(inode)->flags |= \ - BTRFS_INODE_##flag) -#define btrfs_test_flag(inode, flag) (BTRFS_I(inode)->flags & \ - BTRFS_INODE_##flag) +#define BTRFS_INODE_SYNC (1 << 5) +#define BTRFS_INODE_IMMUTABLE (1 << 6) +#define BTRFS_INODE_APPEND (1 << 7) +#define BTRFS_INODE_NODUMP (1 << 8) +#define BTRFS_INODE_NOATIME (1 << 9) +#define BTRFS_INODE_DIRSYNC (1 << 10) + + /* some macros to generate set/get funcs for the struct fields. This * assumes there is a lefoo_to_cpu for every type, so lets make a simple * one for u8: @@ -2260,6 +2262,8 @@ int btrfs_cont_expand(struct inode *inode, loff_t size); /* ioctl.c */ long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +void btrfs_update_iflags(struct inode *inode); +void btrfs_inherit_iflags(struct inode *inode, struct inode *dir); /* file.c */ int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync); |