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fs: implement vfs_iter_write using do_iter_write

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De-dupliate some code and allow for passing the flags argument to
vfs_iter_write.  Additionally it now properly updates timestamps.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2017-05-27 11:16:52 +03:00
committed by Al Viro
parent 18e9710ee5
commit abbb65899a
6 changed files with 16 additions and 26 deletions
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drivers/block/loop.c
+1 -1
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@@ -266,7 +266,7 @@ static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos)
iov_iter_bvec(&i, ITER_BVEC, bvec, 1, bvec->bv_len);
file_start_write(file);
bw = vfs_iter_write(file, &i, ppos);
bw = vfs_iter_write(file, &i, ppos, 0);
file_end_write(file);
if (likely(bw == bvec->bv_len))