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| author | Guillaume Chazarain <guichaz@yahoo.fr> | 2007-05-08 00:23:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:14:57 -0700 |
| commit | 3e9f45bd18191bbd05468b19b7064b8da8262aba (patch) | |
| tree | 06c790a9cb1afc83d170447a277e51f5a1a5f303 /include/linux/pagemap.h | |
| parent | c83e44842074a87614c78eca70fa6467b0bc3c4a (diff) | |
| download | linux-3e9f45bd18191bbd05468b19b7064b8da8262aba.tar.gz linux-3e9f45bd18191bbd05468b19b7064b8da8262aba.tar.bz2 linux-3e9f45bd18191bbd05468b19b7064b8da8262aba.zip | |
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.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index b4def5e083ed..8a83537d6978 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; |