diff options
| -rw-r--r-- | fs/f2fs/data.c | 12 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 12 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 8 | ||||
| -rw-r--r-- | fs/f2fs/node.c | 6 | ||||
| -rw-r--r-- | fs/f2fs/recovery.c | 2 |
5 files changed, 22 insertions, 18 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7bd22a2..277966a 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -183,7 +183,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index) f2fs_put_page(page, 0); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, index, RDONLY_NODE); + err = get_dnode_of_data(&dn, index, LOOKUP_NODE); if (err) return ERR_PTR(err); f2fs_put_dnode(&dn); @@ -222,7 +222,7 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index) int err; set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, index, RDONLY_NODE); + err = get_dnode_of_data(&dn, index, LOOKUP_NODE); if (err) return ERR_PTR(err); f2fs_put_dnode(&dn); @@ -262,7 +262,7 @@ struct page *get_new_data_page(struct inode *inode, pgoff_t index, int err; set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, index, 0); + err = get_dnode_of_data(&dn, index, ALLOC_NODE); if (err) return ERR_PTR(err); @@ -392,7 +392,7 @@ static int get_data_block_ro(struct inode *inode, sector_t iblock, /* When reading holes, we need its node page */ set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, pgofs, RDONLY_NODE); + err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA); if (err) return (err == -ENOENT) ? 0 : err; @@ -443,7 +443,7 @@ int do_write_data_page(struct page *page) int err = 0; set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, page->index, RDONLY_NODE); + err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE); if (err) return err; @@ -607,7 +607,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, mutex_lock_op(sbi, DATA_NEW); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, index, 0); + err = get_dnode_of_data(&dn, index, ALLOC_NODE); if (err) { mutex_unlock_op(sbi, DATA_NEW); f2fs_put_page(page, 1); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index cc2213a..be7ae70 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -125,11 +125,15 @@ static inline int update_sits_in_cursum(struct f2fs_summary_block *rs, int i) * file keeping -1 as its node offset to * distinguish from index node blocks. */ -#define RDONLY_NODE 1 /* - * specify a read-only mode when getting - * a node block. 0 is read-write mode. - * used by get_dnode_of_data(). +enum { + ALLOC_NODE, /* allocate a new node page if needed */ + LOOKUP_NODE, /* look up a node without readahead */ + LOOKUP_NODE_RA, /* + * look up a node with readahead called + * by get_datablock_ro. */ +}; + #define F2FS_LINK_MAX 32000 /* maximum link count per file */ /* for in-memory extent cache entry */ diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 958a46d..269645e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -43,7 +43,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, /* block allocation */ set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, page->index, 0); + err = get_dnode_of_data(&dn, page->index, ALLOC_NODE); if (err) { mutex_unlock_op(sbi, DATA_NEW); goto out; @@ -258,7 +258,7 @@ static int truncate_blocks(struct inode *inode, u64 from) mutex_lock_op(sbi, DATA_TRUNC); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, free_from, RDONLY_NODE); + err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE); if (err) { if (err == -ENOENT) goto free_next; @@ -420,7 +420,7 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end) mutex_lock_op(sbi, DATA_TRUNC); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, index, RDONLY_NODE); + err = get_dnode_of_data(&dn, index, LOOKUP_NODE); if (err) { mutex_unlock_op(sbi, DATA_TRUNC); if (err == -ENOENT) @@ -504,7 +504,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset, mutex_lock_op(sbi, DATA_NEW); set_new_dnode(&dn, inode, NULL, NULL, 0); - ret = get_dnode_of_data(&dn, index, 0); + ret = get_dnode_of_data(&dn, index, ALLOC_NODE); if (ret) { mutex_unlock_op(sbi, DATA_NEW); break; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index efcada7..65ec2ea 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -384,7 +384,7 @@ got: /* * Caller should call f2fs_put_dnode(dn). */ -int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int ro) +int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode) { struct f2fs_sb_info *sbi = F2FS_SB(dn->inode->i_sb); struct page *npage[4]; @@ -411,7 +411,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int ro) for (i = 1; i <= level; i++) { bool done = false; - if (!nids[i] && !ro) { + if (!nids[i] && mode == ALLOC_NODE) { mutex_lock_op(sbi, NODE_NEW); /* alloc new node */ @@ -434,7 +434,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int ro) alloc_nid_done(sbi, nids[i]); mutex_unlock_op(sbi, NODE_NEW); done = true; - } else if (ro && i == level && level > 1) { + } else if (mode == LOOKUP_NODE_RA && i == level && level > 1) { npage[i] = get_node_page_ra(parent, offset[i - 1]); if (IS_ERR(npage[i])) { err = PTR_ERR(npage[i]); diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index b235215..6b82e20 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -247,7 +247,7 @@ static void do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, end = start + ADDRS_PER_BLOCK; set_new_dnode(&dn, inode, NULL, NULL, 0); - if (get_dnode_of_data(&dn, start, 0)) + if (get_dnode_of_data(&dn, start, ALLOC_NODE)) return; wait_on_page_writeback(dn.node_page); |