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f2fs: switch to check FI_NO_EXTENT in f2fs_{lookup,update}_extent_cache 

This patch switch to check FI_NO_EXTENT in f2fs_{lookup,update}_extent_cache
instead of f2fs_{lookup,update}_extent_tree or {lookup,update}_extent_info.

No functionality modification in this patch.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Chao Yu 2015-02-05 18:02:44 +08:00 committed by Jaegeuk Kim
parent 62c8af651b
commit 91c5d9bce7
1 changed files with 6 additions and 12 deletions
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18
fs/f2fs/data.c
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@ -273,9 +273,6 @@ static bool lookup_extent_info(struct inode *inode, pgoff_t pgofs,
pgoff_t start_fofs, end_fofs;
block_t start_blkaddr;
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return false;
read_lock(&fi->ext_lock);
if (fi->ext.len == 0) {
read_unlock(&fi->ext_lock);
@ -306,9 +303,6 @@ static bool update_extent_info(struct inode *inode, pgoff_t fofs,
block_t start_blkaddr, end_blkaddr;
int need_update = true;
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return false;
write_lock(&fi->ext_lock);
start_fofs = fi->ext.fofs;
@ -542,9 +536,6 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs,
struct extent_tree *et;
struct extent_node *en;
if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT))
return false;
trace_f2fs_lookup_extent_tree_start(inode, pgofs);
down_read(&sbi->extent_tree_lock);
@ -586,9 +577,6 @@ static void f2fs_update_extent_tree(struct inode *inode, pgoff_t fofs,
struct extent_info ei, dei;
unsigned int endofs;
if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT))
return;
trace_f2fs_update_extent_tree(inode, fofs, blkaddr);
down_write(&sbi->extent_tree_lock);
@ -780,6 +768,9 @@ out:
static bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
struct extent_info *ei)
{
if (is_inode_flag_set(F2FS_I(inode), FI_NO_EXTENT))
return false;
if (test_opt(F2FS_I_SB(inode), EXTENT_CACHE))
return f2fs_lookup_extent_tree(inode, pgofs, ei);
@ -796,6 +787,9 @@ void f2fs_update_extent_cache(struct dnode_of_data *dn)
/* Update the page address in the parent node */
__set_data_blkaddr(dn);
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return;
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
dn->ofs_in_node;