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authorIra Weiny <ira.weiny@intel.com>2020-01-30 22:12:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-01-31 10:30:37 -0800
commitddf8f376d137ba41ca67347a0b80ba0c357a1018 (patch)
treef79662fab7bc00625d46f18cc76aa917064463cc /mm/filemap.c
parent5b57b8f22709f07c0ab5921c94fd66e8c59c3e11 (diff)
downloadlinux-ddf8f376d137ba41ca67347a0b80ba0c357a1018.tar.bz2
mm/filemap.c: clean up filemap_write_and_wait()
At some point filemap_write_and_wait() and filemap_write_and_wait_range() got the exact same implementation with the exception of the range being specified in *_range() Similar to other functions in fs.h which call *_range(..., 0, LLONG_MAX), change filemap_write_and_wait() to be a static inline which calls filemap_write_and_wait_range() Link: http://lkml.kernel.org/r/20191129160713.30892-1-ira.weiny@intel.com Signed-off-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> 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.c34
1 files changed, 6 insertions, 28 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index bf6aa30be58d..1784478270e1 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -632,33 +632,6 @@ static bool mapping_needs_writeback(struct address_space *mapping)
return mapping->nrpages;
}
-int filemap_write_and_wait(struct address_space *mapping)
-{
- int err = 0;
-
- if (mapping_needs_writeback(mapping)) {
- err = filemap_fdatawrite(mapping);
- /*
- * Even if the above returned error, the pages may be
- * written partially (e.g. -ENOSPC), so we wait for it.
- * But the -EIO is special case, it may indicate the worst
- * thing (e.g. bug) happened, so we avoid waiting for it.
- */
- if (err != -EIO) {
- int err2 = filemap_fdatawait(mapping);
- if (!err)
- err = err2;
- } else {
- /* Clear any previously stored errors */
- filemap_check_errors(mapping);
- }
- } else {
- err = filemap_check_errors(mapping);
- }
- return err;
-}
-EXPORT_SYMBOL(filemap_write_and_wait);
-
/**
* filemap_write_and_wait_range - write out & wait on a file range
* @mapping: the address_space for the pages
@@ -680,7 +653,12 @@ int filemap_write_and_wait_range(struct address_space *mapping,
if (mapping_needs_writeback(mapping)) {
err = __filemap_fdatawrite_range(mapping, lstart, lend,
WB_SYNC_ALL);
- /* See comment of filemap_write_and_wait() */
+ /*
+ * Even if the above returned error, the pages may be
+ * written partially (e.g. -ENOSPC), so we wait for it.
+ * But the -EIO is special case, it may indicate the worst
+ * thing (e.g. bug) happened, so we avoid waiting for it.
+ */
if (err != -EIO) {
int err2 = filemap_fdatawait_range(mapping,
lstart, lend);