From 53dc9a67769d0a9733adb5156adfc07edcbc1ea3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 25 Jan 2013 16:01:21 -0500 Subject: f2fs: init_dent_inode() should take qstr for one thing, it doesn't (and shouldn't) use anything else from dentry; for another, on some call chains the dentry is fake and should be eliminated completely. Signed-off-by: Al Viro --- fs/f2fs/node.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 5066bfd256c9..5caa94676f60 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -790,7 +790,7 @@ int new_inode_page(struct inode *inode, struct dentry *dentry) set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino); mutex_lock_op(sbi, NODE_NEW); page = new_node_page(&dn, 0); - init_dent_inode(dentry, page); + init_dent_inode(&dentry->d_name, page); mutex_unlock_op(sbi, NODE_NEW); if (IS_ERR(page)) return PTR_ERR(page); -- cgit v1.2.3 From c004363dd6aa89f1ccbebd694f261f86db0c840a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 25 Jan 2013 16:04:58 -0500 Subject: f2fs: switch new_inode_page() from dentry to qstr Signed-off-by: Al Viro --- fs/f2fs/node.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 5caa94676f60..6625ca819716 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -780,7 +780,7 @@ int remove_inode_page(struct inode *inode) return 0; } -int new_inode_page(struct inode *inode, struct dentry *dentry) +int new_inode_page(struct inode *inode, const struct qstr *name) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); struct page *page; @@ -790,7 +790,7 @@ int new_inode_page(struct inode *inode, struct dentry *dentry) set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino); mutex_lock_op(sbi, NODE_NEW); page = new_node_page(&dn, 0); - init_dent_inode(&dentry->d_name, page); + init_dent_inode(name, page); mutex_unlock_op(sbi, NODE_NEW); if (IS_ERR(page)) return PTR_ERR(page); -- cgit v1.2.3 From a2b52a598a4df55782462acba3bdced1a4610a60 Mon Sep 17 00:00:00 2001 From: Namjae Jeon Date: Wed, 30 Jan 2013 22:47:16 +0900 Subject: f2fs: reorganize code for ra_node_page We can remove unneeded label unlock_out, avoid unnecessary jump and reorganize the returning conditions in this function. Signed-off-by: Namjae Jeon Signed-off-by: Amit Sahrawat Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9bda63c9c166..f71dfbbcb2b0 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -874,15 +874,11 @@ void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid) return; if (read_node_page(apage, READA)) - goto unlock_out; + unlock_page(apage); - page_cache_release(apage); - return; - -unlock_out: - unlock_page(apage); release_out: page_cache_release(apage); + return; } struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid) -- cgit v1.2.3 From 369a708c2a6557fabd409cf17a03db271c54931a Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Thu, 31 Jan 2013 10:15:35 +0900 Subject: f2fs: remove the use of page_cache_release Let's remove the use of page_cache_release() in f2fs, and instead, use f2fs_put_page(page, 0) which is exactly same but for code readability. Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index f71dfbbcb2b0..33fa6d506d94 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -104,7 +104,7 @@ static void ra_nat_pages(struct f2fs_sb_info *sbi, int nid) f2fs_put_page(page, 1); continue; } - page_cache_release(page); + f2fs_put_page(page, 0); } } @@ -877,7 +877,7 @@ void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid) unlock_page(apage); release_out: - page_cache_release(apage); + f2fs_put_page(apage, 0); return; } -- cgit v1.2.3 From 437275272f9e635673f065300e5d95226a25cb06 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 4 Feb 2013 15:11:17 +0900 Subject: f2fs: clarify and enhance the f2fs_gc flow This patch makes clearer the ambiguous f2fs_gc flow as follows. 1. Remove intermediate checkpoint condition during f2fs_gc (i.e., should_do_checkpoint() and GC_BLOCKED) 2. Remove unnecessary return values of f2fs_gc because of #1. (i.e., GC_NODE, GC_OK, etc) 3. Simplify write_checkpoint() because of #2. 4. Clarify the main f2fs_gc flow. o monitor how many freed sections during one iteration of do_garbage_collect(). o do GC more without checkpoints if we can't get enough free sections. o do checkpoint once we've got enough free sections through forground GCs. 5. Adopt thread-logging (Slack-Space-Recycle) scheme more aggressively on data log types. See. get_ssr_segement() Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 33fa6d506d94..43ce16422b75 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1135,7 +1135,7 @@ static int f2fs_write_node_pages(struct address_space *mapping, /* First check balancing cached NAT entries */ if (try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK)) { - write_checkpoint(sbi, false, false); + write_checkpoint(sbi, false); return 0; } -- cgit v1.2.3 From 7dd690c82029ed34aafdb58ce7463cdead69abb5 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 12 Feb 2013 07:28:55 +0900 Subject: f2fs: avoid build warning This patch removes the following build warning: fs/f2fs/node.c: warning: 'nofs' may be used uninitialized in this function [-Wuninitialized]: => 738:8 Note that this is a false alarm. Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 0da252c78af8..e275218904ed 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -660,7 +660,7 @@ int truncate_inode_blocks(struct inode *inode, pgoff_t from) struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); int err = 0, cont = 1; int level, offset[4], noffset[4]; - unsigned int nofs; + unsigned int nofs = 0; struct f2fs_node *rn; struct dnode_of_data dn; struct page *page; -- cgit v1.2.3