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authorChao Yu <chao2.yu@samsung.com>2015-02-16 16:17:20 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-03-03 09:58:44 -0800
commit3b4d732a568432039af71809f9cad69565f00bed (patch)
tree657157f3d3b9d53351b76f253a1a6bf47ecd1ba9 /fs/f2fs/dir.c
parent1753396a0a1c574969dc0c4b369ac4ac3d299245 (diff)
f2fs: introduce f2fs_update_dentry to clean up duplicated codes
This patch introduces f2fs_update_dentry to remove redundant code in f2fs_add_inline_entry and __f2fs_add_link. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/dir.c')
-rw-r--r--fs/f2fs/dir.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index b74097a7f6d9..583896cb5346 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -474,6 +474,24 @@ next:
goto next;
}
+void f2fs_update_dentry(struct inode *inode, struct f2fs_dentry_ptr *d,
+ const struct qstr *name, f2fs_hash_t name_hash,
+ unsigned int bit_pos)
+{
+ struct f2fs_dir_entry *de;
+ int slots = GET_DENTRY_SLOTS(name->len);
+ int i;
+
+ de = &d->dentry[bit_pos];
+ de->hash_code = name_hash;
+ de->name_len = cpu_to_le16(name->len);
+ memcpy(d->filename[bit_pos], name->name, name->len);
+ de->ino = cpu_to_le32(inode->i_ino);
+ set_de_type(de, inode);
+ for (i = 0; i < slots; i++)
+ test_and_set_bit_le(bit_pos + i, (void *)d->bitmap);
+}
+
/*
* Caller should grab and release a rwsem by calling f2fs_lock_op() and
* f2fs_unlock_op().
@@ -486,15 +504,14 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name,
unsigned int current_depth;
unsigned long bidx, block;
f2fs_hash_t dentry_hash;
- struct f2fs_dir_entry *de;
unsigned int nbucket, nblock;
size_t namelen = name->len;
struct page *dentry_page = NULL;
struct f2fs_dentry_block *dentry_blk = NULL;
+ struct f2fs_dentry_ptr d;
int slots = GET_DENTRY_SLOTS(namelen);
struct page *page;
int err = 0;
- int i;
if (f2fs_has_inline_dentry(dir)) {
err = f2fs_add_inline_entry(dir, name, inode);
@@ -553,14 +570,10 @@ add_dentry:
err = PTR_ERR(page);
goto fail;
}
- de = &dentry_blk->dentry[bit_pos];
- de->hash_code = dentry_hash;
- de->name_len = cpu_to_le16(namelen);
- memcpy(dentry_blk->filename[bit_pos], name->name, name->len);
- de->ino = cpu_to_le32(inode->i_ino);
- set_de_type(de, inode);
- for (i = 0; i < slots; i++)
- test_and_set_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
+
+ make_dentry_ptr(&d, (void *)dentry_blk, 1);
+ f2fs_update_dentry(inode, &d, name, dentry_hash, bit_pos);
+
set_page_dirty(dentry_page);
/* we don't need to mark_inode_dirty now */