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| author | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 23:44:47 -0400 |
| commit | a107e5a3a473a2ea62bd5af24e11b84adf1486ff (patch) | |
| tree | d36c2cb38d8be88d4d75cdebc354aa140aa0e470 /include/linux/fs.h | |
| parent | e3e1288e86a07cdeb0aee5860a2dff111c6eff79 (diff) | |
| parent | a269029d0e2192046be4c07ed78a45022469ee4c (diff) | |
Merge branch 'next' into upstream-merge
Conflicts:
fs/ext4/inode.c
fs/ext4/mballoc.c
include/trace/events/ext4.h
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index b2a6009cba1..6ed7ace74b7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -32,6 +32,12 @@ #define SEEK_END 2 /* seek relative to end of file */ #define SEEK_MAX SEEK_END +struct fstrim_range { + uint64_t start; + uint64_t len; + uint64_t minlen; +}; + /* And dynamically-tunable limits and defaults: */ struct files_stat_struct { unsigned long nr_files; /* read only */ @@ -317,6 +323,7 @@ struct inodes_stat_t { #define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */ #define FIFREEZE _IOWR('X', 119, int) /* Freeze */ #define FITHAW _IOWR('X', 120, int) /* Thaw */ +#define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */ #define FS_IOC_GETFLAGS _IOR('f', 1, long) #define FS_IOC_SETFLAGS _IOW('f', 2, long) @@ -1604,6 +1611,7 @@ struct super_operations { ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); #endif int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); + int (*trim_fs) (struct super_block *, struct fstrim_range *); }; /* |