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authorJan Kara <jack@suse.cz>2009-08-18 18:43:15 +0200
committerJan Kara <jack@suse.cz>2009-09-14 17:08:17 +0200
commit18f2ee705d98034b0f229a3202d827468d4bffd9 (patch)
tree1da282e5eb90dc8e8a1e46214e0e7639138d3568 /mm/filemap.c
parent2f3d675bcd4a84251d6e8eea8096ec8fc795e5d6 (diff)
downloadconfigs-18f2ee705d98034b0f229a3202d827468d4bffd9.tar.gz
vfs: Remove generic_osync_inode() and sync_page_range{_nolock}()
Remove these three functions since nobody uses them anymore. Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 849293c4f41..dd51c68e2b8 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -326,70 +326,6 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start,
EXPORT_SYMBOL(filemap_fdatawait_range);
/**
- * sync_page_range - write and wait on all pages in the passed range
- * @inode: target inode
- * @mapping: target address_space
- * @pos: beginning offset in pages to write
- * @count: number of bytes to write
- *
- * Write and wait upon all the pages in the passed range. This is a "data
- * integrity" operation. It waits upon in-flight writeout before starting and
- * waiting upon new writeout. If there was an IO error, return it.
- *
- * We need to re-take i_mutex during the generic_osync_inode list walk because
- * it is otherwise livelockable.
- */
-int sync_page_range(struct inode *inode, struct address_space *mapping,
- loff_t pos, loff_t count)
-{
- pgoff_t start = pos >> PAGE_CACHE_SHIFT;
- pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
- int ret;
-
- if (!mapping_cap_writeback_dirty(mapping) || !count)
- return 0;
- ret = filemap_fdatawrite_range(mapping, pos, pos + count - 1);
- if (ret == 0) {
- mutex_lock(&inode->i_mutex);
- ret = generic_osync_inode(inode, mapping, OSYNC_METADATA);
- mutex_unlock(&inode->i_mutex);
- }
- if (ret == 0)
- ret = wait_on_page_writeback_range(mapping, start, end);
- return ret;
-}
-EXPORT_SYMBOL(sync_page_range);
-
-/**
- * sync_page_range_nolock - write & wait on all pages in the passed range without locking
- * @inode: target inode
- * @mapping: target address_space
- * @pos: beginning offset in pages to write
- * @count: number of bytes to write
- *
- * Note: Holding i_mutex across sync_page_range_nolock() is not a good idea
- * as it forces O_SYNC writers to different parts of the same file
- * to be serialised right until io completion.
- */
-int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
- loff_t pos, loff_t count)
-{
- pgoff_t start = pos >> PAGE_CACHE_SHIFT;
- pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
- int ret;
-
- if (!mapping_cap_writeback_dirty(mapping) || !count)
- return 0;
- ret = filemap_fdatawrite_range(mapping, pos, pos + count - 1);
- if (ret == 0)
- ret = generic_osync_inode(inode, mapping, OSYNC_METADATA);
- if (ret == 0)
- ret = wait_on_page_writeback_range(mapping, start, end);
- return ret;
-}
-EXPORT_SYMBOL(sync_page_range_nolock);
-
-/**
* filemap_fdatawait - wait for all under-writeback pages to complete
* @mapping: address space structure to wait for
*