diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 580b513668f..194fb237a30 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -231,6 +231,7 @@ 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) @@ -291,6 +292,7 @@ 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> @@ -1179,6 +1181,20 @@ 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 @@ -1287,6 +1303,8 @@ 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; |