diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 0bcf11a9987b..ed8b67b21718 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -56,14 +56,6 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh, u64 block, struct page *page) { struct inode *inode = &ip->i_inode; - int release = 0; - - if (!page || page->index) { - page = find_or_create_page(inode->i_mapping, 0, GFP_NOFS); - if (!page) - return -ENOMEM; - release = 1; - } if (!PageUptodate(page)) { void *kaddr = kmap(page); @@ -97,26 +89,10 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh, gfs2_ordered_add_inode(ip); } - if (release) { - unlock_page(page); - put_page(page); - } - return 0; } -/** - * gfs2_unstuff_dinode - Unstuff a dinode when the data has grown too big - * @ip: The GFS2 inode to unstuff - * @page: The (optional) page. This is looked up if the @page is NULL - * - * This routine unstuffs a dinode and returns it to a "normal" state such - * that the height can be grown in the traditional way. - * - * Returns: errno - */ - -int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) +static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct page *page) { struct buffer_head *bh, *dibh; struct gfs2_dinode *di; @@ -124,11 +100,9 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) int isdir = gfs2_is_dir(ip); int error; - down_write(&ip->i_rw_mutex); - error = gfs2_meta_inode_buffer(ip, &dibh); if (error) - goto out; + return error; if (i_size_read(&ip->i_inode)) { /* Get a free block, fill it with the stuffed data, @@ -170,12 +144,38 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) out_brelse: brelse(dibh); + return error; +} + +/** + * gfs2_unstuff_dinode - Unstuff a dinode when the data has grown too big + * @ip: The GFS2 inode to unstuff + * + * This routine unstuffs a dinode and returns it to a "normal" state such + * that the height can be grown in the traditional way. + * + * Returns: errno + */ + +int gfs2_unstuff_dinode(struct gfs2_inode *ip) +{ + struct inode *inode = &ip->i_inode; + struct page *page; + int error; + + down_write(&ip->i_rw_mutex); + page = find_or_create_page(inode->i_mapping, 0, GFP_NOFS); + error = -ENOMEM; + if (!page) + goto out; + error = __gfs2_unstuff_inode(ip, page); + unlock_page(page); + put_page(page); out: up_write(&ip->i_rw_mutex); return error; } - /** * find_metapath - Find path through the metadata tree * @sdp: The superblock @@ -1079,7 +1079,7 @@ static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos, goto out_trans_fail; if (unstuff) { - ret = gfs2_unstuff_dinode(ip, NULL); + ret = gfs2_unstuff_dinode(ip); if (ret) goto out_trans_end; release_metapath(mp); @@ -2143,7 +2143,7 @@ static int do_grow(struct inode *inode, u64 size) goto do_grow_release; if (unstuff) { - error = gfs2_unstuff_dinode(ip, NULL); + error = gfs2_unstuff_dinode(ip); if (error) goto do_end_trans; } diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h index 6676d863faef..53cce6c08e81 100644 --- a/fs/gfs2/bmap.h +++ b/fs/gfs2/bmap.h @@ -46,7 +46,7 @@ static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip, extern const struct iomap_ops gfs2_iomap_ops; extern const struct iomap_writeback_ops gfs2_writeback_ops; -extern int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page); +extern int gfs2_unstuff_dinode(struct gfs2_inode *ip); extern int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create); extern int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length, diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 18f67b37d6f8..42b7dfffb5e7 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -172,7 +172,7 @@ static int gfs2_dir_write_data(struct gfs2_inode *ip, const char *buf, return -EINVAL; if (gfs2_is_stuffed(ip)) { - error = gfs2_unstuff_dinode(ip, NULL); + error = gfs2_unstuff_dinode(ip); if (error) return error; } diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 4a14616b2c0a..84ec053d43b4 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -512,7 +512,7 @@ static vm_fault_t gfs2_page_mkwrite(struct vm_fault *vmf) /* Unstuff, if required, and allocate backing blocks for page */ if (gfs2_is_stuffed(ip)) { - err = gfs2_unstuff_dinode(ip, NULL); + err = gfs2_unstuff_dinode(ip); if (err) { ret = block_page_mkwrite_return(err); goto out_trans_end; @@ -981,7 +981,7 @@ static int fallocate_chunk(struct inode *inode, loff_t offset, loff_t len, gfs2_trans_add_meta(ip->i_gl, dibh); if (gfs2_is_stuffed(ip)) { - error = gfs2_unstuff_dinode(ip, NULL); + error = gfs2_unstuff_dinode(ip); if (unlikely(error)) goto out; } diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 94637c307cc8..be0997e24d60 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -825,7 +825,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc, u64 size; if (gfs2_is_stuffed(ip)) { - err = gfs2_unstuff_dinode(ip, NULL); + err = gfs2_unstuff_dinode(ip); if (err) return err; }