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iomap: add IOMAP_F_NEW flag 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-09-19 11:24:37 +10:00 committed by Dave Chinner
parent 51446f5ba4
commit ecd50729f7
2 changed files with 2 additions and 0 deletions
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1
fs/xfs/xfs_iomap.c
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@ -1000,6 +1000,7 @@ xfs_file_iomap_begin(
if (error)
return error;
iomap->flags = IOMAP_F_NEW;
trace_xfs_iomap_alloc(ip, offset, length, 0, &imap);
} else {
ASSERT(nimaps);

1
include/linux/iomap.h
View File

@ -22,6 +22,7 @@ struct vm_fault;
* Flags for iomap mappings:
*/
#define IOMAP_F_MERGED 0x01 /* contains multiple blocks/extents */
#define IOMAP_F_NEW 0x02 /* blocks have been newly allocated */
/*
* Magic value for blkno: