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xfs: rename the offset variable in xfs_writepage_map

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Calling it file_offset makes the usage more clear, especially with
a new poffset variable that will be added soon for the offset inside
the page.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2018-07-11 22:26:00 -07:00 committed by Darrick J. Wong
parent 5c665e5b5a
commit 6a4c950136
1 changed files with 10 additions and 10 deletions
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20
fs/xfs/xfs_aops.c
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@ -823,15 +823,15 @@ xfs_writepage_map(
struct xfs_ioend *ioend, *next; struct xfs_ioend *ioend, *next;
struct buffer_head *bh, *head; struct buffer_head *bh, *head;
ssize_t len = i_blocksize(inode); ssize_t len = i_blocksize(inode);
uint64_t offset; /* file offset of page */ uint64_t file_offset; /* file offset of page */
int error = 0; int error = 0;
int count = 0; int count = 0;
unsigned int new_type; unsigned int new_type;
bh = head = page_buffers(page); bh = head = page_buffers(page);
offset = page_offset(page); file_offset = page_offset(page);
do { do {
if (offset >= end_offset) if (file_offset >= end_offset)
break; break;
/* /*
@ -863,7 +863,7 @@ xfs_writepage_map(
* If we already have a valid COW mapping keep using it. * If we already have a valid COW mapping keep using it.
*/ */
if (wpc->io_type == XFS_IO_COW && if (wpc->io_type == XFS_IO_COW &&
xfs_imap_valid(inode, &wpc->imap, offset)) { xfs_imap_valid(inode, &wpc->imap, file_offset)) {
wpc->imap_valid = true; wpc->imap_valid = true;
new_type = XFS_IO_COW; new_type = XFS_IO_COW;
} }
@ -875,7 +875,7 @@ xfs_writepage_map(
if (wpc->imap_valid) if (wpc->imap_valid)
wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap, wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap,
offset); file_offset);
/* /*
* COW fork blocks can overlap data fork blocks even if the * COW fork blocks can overlap data fork blocks even if the
@ -886,11 +886,11 @@ xfs_writepage_map(
if (!wpc->imap_valid || if (!wpc->imap_valid ||
(xfs_is_reflink_inode(XFS_I(inode)) && (xfs_is_reflink_inode(XFS_I(inode)) &&
wpc->io_type != XFS_IO_COW)) { wpc->io_type != XFS_IO_COW)) {
error = xfs_map_blocks(wpc, inode, offset); error = xfs_map_blocks(wpc, inode, file_offset);
if (error) if (error)
goto out; goto out;
wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap, wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap,
offset); file_offset);
} }
if (!wpc->imap_valid || wpc->io_type == XFS_IO_HOLE) if (!wpc->imap_valid || wpc->io_type == XFS_IO_HOLE)
@ -898,10 +898,10 @@ xfs_writepage_map(
lock_buffer(bh); lock_buffer(bh);
if (wpc->io_type != XFS_IO_OVERWRITE) if (wpc->io_type != XFS_IO_OVERWRITE)
xfs_map_at_offset(inode, bh, &wpc->imap, offset); xfs_map_at_offset(inode, bh, &wpc->imap, file_offset);
xfs_add_to_ioend(inode, bh, offset, wpc, wbc, &submit_list); xfs_add_to_ioend(inode, bh, file_offset, wpc, wbc, &submit_list);
count++; count++;
} while (offset += len, ((bh = bh->b_this_page) != head)); } while (file_offset += len, ((bh = bh->b_this_page) != head));
ASSERT(wpc->ioend || list_empty(&submit_list)); ASSERT(wpc->ioend || list_empty(&submit_list));