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authorSunil Mushran <sunil.mushran@oracle.com>2009-12-03 12:46:51 -0800
committerJoel Becker <joel.becker@oracle.com>2009-12-17 20:55:57 -0800
commit8c0414cd524e9f1c483ffb3ff1c2d860f5c567c8 (patch)
tree881d2c2deca2fd5c614d44578894103fa023ae16 /include/linux/fiemap.h
parent936545401624217955df4dd44bb71615900e5397 (diff)
downloadop-kernel-dev-8c0414cd524e9f1c483ffb3ff1c2d860f5c567c8.zip
op-kernel-dev-8c0414cd524e9f1c483ffb3ff1c2d860f5c567c8.tar.gz
fiemap: Add new extent flag FIEMAP_EXTENT_SHARED
Some filesystems may allow multiple files to point to a particular extent. This patch adds flag FIEMAP_EXTENT_SHARED to denote extents that are shared with other inodes. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Acked-by: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'include/linux/fiemap.h')
-rw-r--r--include/linux/fiemap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/fiemap.h b/include/linux/fiemap.h
index 934e22d..d830747 100644
--- a/include/linux/fiemap.h
+++ b/include/linux/fiemap.h
@@ -62,5 +62,7 @@ struct fiemap {
#define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively
* support extents. Result
* merged for efficiency. */
+#define FIEMAP_EXTENT_SHARED 0x00002000 /* Space shared with other
+ * files. */
#endif /* _LINUX_FIEMAP_H */
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