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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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fs/coda/file.c
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@@ -51,7 +51,7 @@ coda_file_write_iter(struct kiocb *iocb, struct iov_iter *to)
host_file = cfi->cfi_container;
file_start_write(host_file);
inode_lock(coda_inode);
ret = vfs_iter_write(cfi->cfi_container, to, &iocb->ki_pos);
ret = vfs_iter_write(cfi->cfi_container, to, &iocb->ki_pos, 0);
coda_inode->i_size = file_inode(host_file)->i_size;
coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9;
coda_inode->i_mtime = coda_inode->i_ctime = current_time(coda_inode);