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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 14:30:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:13 +0900 |
| commit | b77d88d493b8fc7a4c2dadd3bb86d1dee2f53a56 (patch) | |
| tree | b355bd23a7d2fc74db84b3e1180bf228a8257f48 /mm/filemap.c | |
| parent | a0dce7f0ac66cdd5b653a3b059eb1382c2bdf8a0 (diff) | |
| download | lwn-b77d88d493b8fc7a4c2dadd3bb86d1dee2f53a56.tar.gz lwn-b77d88d493b8fc7a4c2dadd3bb86d1dee2f53a56.zip | |
mm: drop actor argument of do_generic_file_read()
There's only one caller of do_generic_file_read() and the only actor is
file_read_actor(). No reason to have a callback parameter.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index ae4846ff4849..b7749a92021c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1090,7 +1090,6 @@ static void shrink_readahead_size_eio(struct file *filp, * @filp: the file to read * @ppos: current file position * @desc: read_descriptor - * @actor: read method * * This is a generic file read routine, and uses the * mapping->a_ops->readpage() function for the actual low-level stuff. @@ -1099,7 +1098,7 @@ static void shrink_readahead_size_eio(struct file *filp, * of the logic when it comes to error handling etc. */ static void do_generic_file_read(struct file *filp, loff_t *ppos, - read_descriptor_t *desc, read_actor_t actor) + read_descriptor_t *desc) { struct address_space *mapping = filp->f_mapping; struct inode *inode = mapping->host; @@ -1200,13 +1199,14 @@ page_ok: * Ok, we have the page, and it's up-to-date, so * now we can copy it to user space... * - * The actor routine returns how many bytes were actually used.. + * The file_read_actor routine returns how many bytes were + * actually used.. * NOTE! This may not be the same as how much of a user buffer * we filled up (we may be padding etc), so we can only update * "pos" here (the actor routine has to update the user buffer * pointers and the remaining count). */ - ret = actor(desc, page, offset, nr); + ret = file_read_actor(desc, page, offset, nr); offset += ret; index += offset >> PAGE_CACHE_SHIFT; offset &= ~PAGE_CACHE_MASK; @@ -1479,7 +1479,7 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, if (desc.count == 0) continue; desc.error = 0; - do_generic_file_read(filp, ppos, &desc, file_read_actor); + do_generic_file_read(filp, ppos, &desc); retval += desc.written; if (desc.error) { retval = retval ?: desc.error; |