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authorGuillaume Chazarain <guichaz@yahoo.fr>2007-05-08 00:23:25 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:14:57 -0700
commit3e9f45bd18191bbd05468b19b7064b8da8262aba (patch)
tree06c790a9cb1afc83d170447a277e51f5a1a5f303 /include/linux/pagemap.h
parentc83e44842074a87614c78eca70fa6467b0bc3c4a (diff)
Factor outstanding I/O error handling
Cleanup: setting an outstanding error on a mapping was open coded too many times. Factor it out in mapping_set_error(). Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/pagemap.h')
-rw-r--r--include/linux/pagemap.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index b4def5e083e..8a83537d697 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -11,6 +11,7 @@
#include <linux/compiler.h>
#include <asm/uaccess.h>
#include <linux/gfp.h>
+#include <linux/bitops.h>
/*
* Bits in mapping->flags. The lower __GFP_BITS_SHIFT bits are the page
@@ -19,6 +20,16 @@
#define AS_EIO (__GFP_BITS_SHIFT + 0) /* IO error on async write */
#define AS_ENOSPC (__GFP_BITS_SHIFT + 1) /* ENOSPC on async write */
+static inline void mapping_set_error(struct address_space *mapping, int error)
+{
+ if (error) {
+ if (error == -ENOSPC)
+ set_bit(AS_ENOSPC, &mapping->flags);
+ else
+ set_bit(AS_EIO, &mapping->flags);
+ }
+}
+
static inline gfp_t mapping_gfp_mask(struct address_space * mapping)
{
return (__force gfp_t)mapping->flags & __GFP_BITS_MASK;