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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 20:23:48 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 20:23:48 (GMT) |
commit | fd048088306656824958e7783ffcee27e241b361 (patch) | |
tree | be11bebe3bbd2cac88ff27bd3c7450339d21bdc7 /include/linux/fs.h | |
parent | 5c3c4d9b5810c9aabd8c05219c62ca088aa83eb0 (diff) | |
parent | 03010a3350301baac2154fa66de925ae2981b7e3 (diff) | |
download | linux-fsl-qoriq-fd048088306656824958e7783ffcee27e241b361.tar.xz |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (43 commits)
ext4: Rename ext4dev to ext4
ext4: Avoid double dirtying of super block in ext4_put_super()
Update ext4 MAINTAINERS file
Hook ext4 to the vfs fiemap interface.
generic block based fiemap implementation
ocfs2: fiemap support
vfs: vfs-level fiemap interface
ext4: fix xattr deadlock
jbd2: Fix buffer head leak when writing the commit block
ext4: Add debugging markers that can be used by systemtap
jbd2: abort instead of waiting for nonexistent transaction
ext4: fix initialization of UNINIT bitmap blocks
ext4: Remove old legacy block allocator
ext4: Use readahead when reading an inode from the inode table
ext4: Improve the documentation for ext4's /proc tunables
ext4: Combine proc file handling into a single set of functions
ext4: move /proc setup and teardown out of mballoc.c
ext4: Don't use 'struct dentry' for internal lookups
ext4/jbd2: Avoid WARN() messages when failing to write to the superblock
ext4: use percpu data structures for lg_prealloc_list
...
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r-- | include/linux/fs.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 32477e8..44e3cb2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -234,6 +234,7 @@ extern int dir_notify_enable; #define FS_IOC_SETFLAGS _IOW('f', 2, long) #define FS_IOC_GETVERSION _IOR('v', 1, long) #define FS_IOC_SETVERSION _IOW('v', 2, long) +#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap) #define FS_IOC32_GETFLAGS _IOR('f', 1, int) #define FS_IOC32_SETFLAGS _IOW('f', 2, int) #define FS_IOC32_GETVERSION _IOR('v', 1, int) @@ -294,6 +295,7 @@ extern int dir_notify_enable; #include <linux/mutex.h> #include <linux/capability.h> #include <linux/semaphore.h> +#include <linux/fiemap.h> #include <asm/atomic.h> #include <asm/byteorder.h> @@ -1182,6 +1184,20 @@ extern void dentry_unhash(struct dentry *dentry); extern int file_permission(struct file *, int); /* + * VFS FS_IOC_FIEMAP helper definitions. + */ +struct fiemap_extent_info { + unsigned int fi_flags; /* Flags as passed from user */ + unsigned int fi_extents_mapped; /* Number of mapped extents */ + unsigned int fi_extents_max; /* Size of fiemap_extent array */ + struct fiemap_extent *fi_extents_start; /* Start of fiemap_extent + * array */ +}; +int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical, + u64 phys, u64 len, u32 flags); +int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags); + +/* * File types * * NOTE! These match bits 12..15 of stat.st_mode @@ -1290,6 +1306,8 @@ struct inode_operations { void (*truncate_range)(struct inode *, loff_t, loff_t); long (*fallocate)(struct inode *inode, int mode, loff_t offset, loff_t len); + int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, + u64 len); }; struct seq_file; @@ -1987,6 +2005,9 @@ extern int vfs_fstat(unsigned int, struct kstat *); extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg); +extern int generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block); extern void get_filesystem(struct file_system_type *fs); extern void put_filesystem(struct file_system_type *fs); |