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author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-07-04 09:59:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-04 10:40:07 -0700 |
commit | 6d1029b56329b1cc9b7233e5333c1a48ddbbfad8 (patch) | |
tree | ec6cf5296d0fe35238007a2eb2e6ee2a9c81fda8 | |
parent | 337e2ab5d1efca56c6fdd57bffaea7e7899e7283 (diff) | |
download | linux-3.10-6d1029b56329b1cc9b7233e5333c1a48ddbbfad8.tar.gz linux-3.10-6d1029b56329b1cc9b7233e5333c1a48ddbbfad8.tar.bz2 linux-3.10-6d1029b56329b1cc9b7233e5333c1a48ddbbfad8.zip |
add kernel-doc for simple_read_from_buffer and memory_read_from_buffer
Add kernel-doc comments describing simple_read_from_buffer and
memory_read_from_buffer.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | fs/libfs.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/libfs.c b/fs/libfs.c index 892d41cb338..baeb71ee1cd 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -512,6 +512,20 @@ void simple_release_fs(struct vfsmount **mount, int *count) mntput(mnt); } +/** + * simple_read_from_buffer - copy data from the buffer to user space + * @to: the user space buffer to read to + * @count: the maximum number of bytes to read + * @ppos: the current position in the buffer + * @from: the buffer to read from + * @available: the size of the buffer + * + * The simple_read_from_buffer() function reads up to @count bytes from the + * buffer @from at offset @ppos into the user space address starting at @to. + * + * On success, the number of bytes read is returned and the offset @ppos is + * advanced by this number, or negative value is returned on error. + **/ ssize_t simple_read_from_buffer(void __user *to, size_t count, loff_t *ppos, const void *from, size_t available) { @@ -528,6 +542,20 @@ ssize_t simple_read_from_buffer(void __user *to, size_t count, loff_t *ppos, return count; } +/** + * memory_read_from_buffer - copy data from the buffer + * @to: the kernel space buffer to read to + * @count: the maximum number of bytes to read + * @ppos: the current position in the buffer + * @from: the buffer to read from + * @available: the size of the buffer + * + * The memory_read_from_buffer() function reads up to @count bytes from the + * buffer @from at offset @ppos into the kernel space address starting at @to. + * + * On success, the number of bytes read is returned and the offset @ppos is + * advanced by this number, or negative value is returned on error. + **/ ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, const void *from, size_t available) { |