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| author |   Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
| commit | a748422ee45725e04e1d3792fa19dfa90ddfd116 (patch) | |
| tree | 978e12895468baaa9f7ab2747b9f7d50beaf1717 /Documentation/filesystems | |
| parent | [GFS2] journal recovery patch (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 (diff) | |
| download | linux-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.tar.xz linux-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.zip | |
Merge branch 'master'
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index adaa899e5c90..3a2e5520c1e3 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -694,7 +694,7 @@ struct file_operations ---------------------- This describes how the VFS can manipulate an open file. As of kernel -2.6.13, the following members are defined: +2.6.17, the following members are defined: struct file_operations { loff_t (*llseek) (struct file *, loff_t, int); @@ -723,6 +723,10 @@ struct file_operations { int (*check_flags)(int); int (*dir_notify)(struct file *filp, unsigned long arg); int (*flock) (struct file *, int, struct file_lock *); + ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, size_t, unsigned +int); + ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned +int); }; Again, all methods are called without any locks being held, unless @@ -790,6 +794,12 @@ otherwise noted. flock: called by the flock(2) system call + splice_write: called by the VFS to splice data from a pipe to a file. This + method is used by the splice(2) system call + + splice_read: called by the VFS to splice data from file to a pipe. This + method is used by the splice(2) system call + Note that the file operations are implemented by the specific filesystem in which the inode resides. When opening a device node (character or block special) most filesystems will call special |