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splice: adjust balance_dirty_pages_ratelimited() call 

As we have potentially dirtied more than 1 page, we should indicate as
such to the dirty page balancing. So call
balance_dirty_pages_ratelimited_nr() and pass in the approximate number
of pages we dirtied.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2007-06-15 13:10:37 +02:00
parent 22b1a9203e
commit 17ee4f49ab
1 changed files with 8 additions and 2 deletions
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10
fs/splice.c
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@ -811,7 +811,10 @@ generic_file_splice_write_nolock(struct pipe_inode_info *pipe, struct file *out,
ret = __splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
if (ret > 0) {
unsigned long nr_pages;
*ppos += ret;
nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
/*
* If file or inode is SYNC and we actually wrote some data,
@ -824,7 +827,7 @@ generic_file_splice_write_nolock(struct pipe_inode_info *pipe, struct file *out,
if (err)
ret = err;
}
balance_dirty_pages_ratelimited(mapping);
balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
}
return ret;
@ -863,7 +866,10 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
ret = splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
if (ret > 0) {
unsigned long nr_pages;
*ppos += ret;
nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
/*
* If file or inode is SYNC and we actually wrote some data,
@ -878,7 +884,7 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
if (err)
ret = err;
}
balance_dirty_pages_ratelimited(mapping);
balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
}
return ret;