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-rw-r--r--fs/gfs2/bmap.c75
1 files changed, 39 insertions, 36 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ef7017fb69..d9ccfd27e4 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -43,53 +43,51 @@ struct metapath {
static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length);
/**
- * gfs2_unstuffer_page - unstuff a stuffed inode into a block cached by a page
+ * gfs2_unstuffer_folio - unstuff a stuffed inode into a block cached by a folio
* @ip: the inode
* @dibh: the dinode buffer
* @block: the block number that was allocated
- * @page: The (optional) page. This is looked up if @page is NULL
+ * @folio: The folio.
*
* Returns: errno
*/
-
-static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
- u64 block, struct page *page)
+static int gfs2_unstuffer_folio(struct gfs2_inode *ip, struct buffer_head *dibh,
+ u64 block, struct folio *folio)
{
struct inode *inode = &ip->i_inode;
- if (!PageUptodate(page)) {
- void *kaddr = kmap(page);
+ if (!folio_test_uptodate(folio)) {
+ void *kaddr = kmap_local_folio(folio, 0);
u64 dsize = i_size_read(inode);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
- kunmap(page);
+ memset(kaddr + dsize, 0, folio_size(folio) - dsize);
+ kunmap_local(kaddr);
- SetPageUptodate(page);
+ folio_mark_uptodate(folio);
}
if (gfs2_is_jdata(ip)) {
- struct buffer_head *bh;
+ struct buffer_head *bh = folio_buffers(folio);
- if (!page_has_buffers(page))
- create_empty_buffers(page, BIT(inode->i_blkbits),
- BIT(BH_Uptodate));
+ if (!bh)
+ bh = create_empty_buffers(folio,
+ BIT(inode->i_blkbits), BIT(BH_Uptodate));
- bh = page_buffers(page);
if (!buffer_mapped(bh))
map_bh(bh, inode->i_sb, block);
set_buffer_uptodate(bh);
gfs2_trans_add_data(ip->i_gl, bh);
} else {
- set_page_dirty(page);
+ folio_mark_dirty(folio);
gfs2_ordered_add_inode(ip);
}
return 0;
}
-static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct page *page)
+static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct folio *folio)
{
struct buffer_head *bh, *dibh;
struct gfs2_dinode *di;
@@ -106,7 +104,7 @@ static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct page *page)
and write it out to disk */
unsigned int n = 1;
- error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
goto out_brelse;
if (isdir) {
@@ -118,7 +116,7 @@ static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct page *page)
dibh, sizeof(struct gfs2_dinode));
brelse(bh);
} else {
- error = gfs2_unstuffer_page(ip, dibh, block, page);
+ error = gfs2_unstuffer_folio(ip, dibh, block, folio);
if (error)
goto out_brelse;
}
@@ -157,17 +155,17 @@ out_brelse:
int gfs2_unstuff_dinode(struct gfs2_inode *ip)
{
struct inode *inode = &ip->i_inode;
- struct page *page;
+ struct folio *folio;
int error;
down_write(&ip->i_rw_mutex);
- page = grab_cache_page(inode->i_mapping, 0);
- error = -ENOMEM;
- if (!page)
+ folio = filemap_grab_folio(inode->i_mapping, 0);
+ error = PTR_ERR(folio);
+ if (IS_ERR(folio))
goto out;
- error = __gfs2_unstuff_inode(ip, page);
- unlock_page(page);
- put_page(page);
+ error = __gfs2_unstuff_inode(ip, folio);
+ folio_unlock(folio);
+ folio_put(folio);
out:
up_write(&ip->i_rw_mutex);
return error;
@@ -317,6 +315,12 @@ static void gfs2_metapath_ra(struct gfs2_glock *gl, __be64 *start, __be64 *end)
}
}
+static inline struct buffer_head *
+metapath_dibh(struct metapath *mp)
+{
+ return mp->mp_bh[0];
+}
+
static int __fillup_metapath(struct gfs2_inode *ip, struct metapath *mp,
unsigned int x, unsigned int h)
{
@@ -415,13 +419,12 @@ static void release_metapath(struct metapath *mp)
* gfs2_extent_length - Returns length of an extent of blocks
* @bh: The metadata block
* @ptr: Current position in @bh
- * @limit: Max extent length to return
* @eob: Set to 1 if we hit "end of block"
*
* Returns: The length of the extent (minimum of one block)
*/
-static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, size_t limit, int *eob)
+static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, int *eob)
{
const __be64 *end = (__be64 *)(bh->b_data + bh->b_size);
const __be64 *first = ptr;
@@ -660,7 +663,7 @@ static int __gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap,
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
- struct buffer_head *dibh = mp->mp_bh[0];
+ struct buffer_head *dibh = metapath_dibh(mp);
u64 bn;
unsigned n, i, blks, alloced = 0, iblks = 0, branch_start = 0;
size_t dblks = iomap->length >> inode->i_blkbits;
@@ -702,7 +705,7 @@ static int __gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap,
i = mp->mp_aheight;
do {
n = blks - alloced;
- ret = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
+ ret = gfs2_alloc_blocks(ip, &bn, &n, 0);
if (ret)
goto out;
alloced += n;
@@ -913,7 +916,7 @@ unstuff:
goto do_alloc;
bh = mp->mp_bh[ip->i_height - 1];
- len = gfs2_extent_length(bh, ptr, len, &eob);
+ len = gfs2_extent_length(bh, ptr, &eob);
iomap->addr = be64_to_cpu(*ptr) << inode->i_blkbits;
iomap->length = len << inode->i_blkbits;
@@ -1386,7 +1389,7 @@ static int trunc_start(struct inode *inode, u64 newsize)
ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
i_size_write(inode, newsize);
- ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
+ inode_set_mtime_to_ts(&ip->i_inode, inode_set_ctime_current(&ip->i_inode));
gfs2_dinode_out(ip, dibh->b_data);
if (journaled)
@@ -1583,7 +1586,7 @@ out_unlock:
/* Every transaction boundary, we rewrite the dinode
to keep its di_blocks current in case of failure. */
- ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
+ inode_set_mtime_to_ts(&ip->i_inode, inode_set_ctime_current(&ip->i_inode));
gfs2_trans_add_meta(ip->i_gl, dibh);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@@ -1949,7 +1952,7 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length)
gfs2_statfs_change(sdp, 0, +btotal, 0);
gfs2_quota_change(ip, -(s64)btotal, ip->i_inode.i_uid,
ip->i_inode.i_gid);
- ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
+ inode_set_mtime_to_ts(&ip->i_inode, inode_set_ctime_current(&ip->i_inode));
gfs2_trans_add_meta(ip->i_gl, dibh);
gfs2_dinode_out(ip, dibh->b_data);
up_write(&ip->i_rw_mutex);
@@ -1992,7 +1995,7 @@ static int trunc_end(struct gfs2_inode *ip)
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
gfs2_ordered_del_inode(ip);
}
- ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
+ inode_set_mtime_to_ts(&ip->i_inode, inode_set_ctime_current(&ip->i_inode));
ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_meta(ip->i_gl, dibh);
@@ -2093,7 +2096,7 @@ static int do_grow(struct inode *inode, u64 size)
goto do_end_trans;
truncate_setsize(inode, size);
- ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
+ inode_set_mtime_to_ts(&ip->i_inode, inode_set_ctime_current(&ip->i_inode));
gfs2_trans_add_meta(ip->i_gl, dibh);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 00:32:40 +0000