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f2fs: avoid unnecessary f2fs_gc for dir operations 

The f2fs_balance_fs doesn't need to cover f2fs_new_inode or f2fs_find_entry
works.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-12-22 11:56:08 -08:00
parent b9d777b85f
commit 00623e6bcf
1 changed files with 18 additions and 16 deletions
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34
fs/f2fs/namei.c
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@ -128,8 +128,6 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
nid_t ino = 0;
int err;
f2fs_balance_fs(sbi);
inode = f2fs_new_inode(dir, mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@ -142,6 +140,8 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
inode->i_mapping->a_ops = &f2fs_dblock_aops;
ino = inode->i_ino;
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
@ -288,12 +288,13 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
int err = -ENOENT;
trace_f2fs_unlink_enter(dir, dentry);
f2fs_balance_fs(sbi);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (!de)
goto fail;
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = acquire_orphan_inode(sbi);
if (err) {
@ -341,8 +342,6 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
if (len > dir->i_sb->s_blocksize)
return -ENAMETOOLONG;
f2fs_balance_fs(sbi);
inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
if (IS_ERR(inode))
return PTR_ERR(inode);
@ -353,6 +352,8 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
inode->i_op = &f2fs_symlink_inode_operations;
inode->i_mapping->a_ops = &f2fs_dblock_aops;
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
@ -433,8 +434,6 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct inode *inode;
int err;
f2fs_balance_fs(sbi);
inode = f2fs_new_inode(dir, S_IFDIR | mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@ -444,6 +443,8 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
inode->i_mapping->a_ops = &f2fs_dblock_aops;
mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO);
f2fs_balance_fs(sbi);
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
@ -481,8 +482,6 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
struct inode *inode;
int err = 0;
f2fs_balance_fs(sbi);
inode = f2fs_new_inode(dir, mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@ -490,6 +489,8 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
init_special_inode(inode, inode->i_mode, rdev);
inode->i_op = &f2fs_special_inode_operations;
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
if (err)
@ -516,9 +517,6 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
struct inode *inode;
int err;
if (!whiteout)
f2fs_balance_fs(sbi);
inode = f2fs_new_inode(dir, mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@ -532,6 +530,8 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
inode->i_mapping->a_ops = &f2fs_dblock_aops;
}
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = acquire_orphan_inode(sbi);
if (err)
@ -604,8 +604,6 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
}
f2fs_balance_fs(sbi);
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry)
goto out;
@ -635,6 +633,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (!new_entry)
goto out_whiteout;
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = acquire_orphan_inode(sbi);
@ -666,6 +666,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
update_inode_page(old_inode);
update_inode_page(new_inode);
} else {
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = f2fs_add_link(new_dentry, old_inode);
@ -763,8 +765,6 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
new_inode)))
return -EPERM;
f2fs_balance_fs(sbi);
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry)
goto out;
@ -807,6 +807,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out_new_dir;
}
f2fs_balance_fs(sbi);
f2fs_lock_op(sbi);
err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name);