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Message-Id: <1413782379-11758-5-git-send-email-jaegeuk@kernel.org>
Date: Sun, 19 Oct 2014 22:19:33 -0700
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 05/11] f2fs: add stat info for inline_dentry inodes
This patch adds status information for inline_dentry inodes.
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
fs/f2fs/debug.c | 3 +++
fs/f2fs/f2fs.h | 16 ++++++++++++++--
fs/f2fs/inline.c | 2 +-
fs/f2fs/inode.c | 3 +++
fs/f2fs/namei.c | 1 +
5 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0a91ab8..86e6e92 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -46,6 +46,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->valid_node_count = valid_node_count(sbi);
si->valid_inode_count = valid_inode_count(sbi);
si->inline_inode = sbi->inline_inode;
+ si->inline_dir = sbi->inline_dir;
si->utilization = utilization(sbi);
si->free_segs = free_segments(sbi);
@@ -200,6 +201,8 @@ static int stat_show(struct seq_file *s, void *v)
si->valid_count - si->valid_node_count);
seq_printf(s, " - Inline_data Inode: %u\n",
si->inline_inode);
+ seq_printf(s, " - Inline_dentry Inode: %u\n",
+ si->inline_dir);
seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d4dcd93..9c4c8d1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -560,6 +560,7 @@ struct f2fs_sb_info {
unsigned int block_count[2]; /* # of allocated blocks */
int total_hit_ext, read_hit_ext; /* extent cache hit ratio */
int inline_inode; /* # of inline_data inodes */
+ int inline_dir; /* # of inline_dentry inodes */
int bg_gc; /* background gc calls */
unsigned int n_dirty_dirs; /* # of dir inodes */
#endif
@@ -1434,7 +1435,7 @@ struct f2fs_stat_info {
int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
int nats, sits, fnids;
int total_count, utilization;
- int bg_gc, inline_inode;
+ int bg_gc, inline_inode, inline_dir;
unsigned int valid_count, valid_node_count, valid_inode_count;
unsigned int bimodal, avg_vblocks;
int util_free, util_valid, util_invalid;
@@ -1474,7 +1475,16 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
if (f2fs_has_inline_data(inode)) \
((F2FS_I_SB(inode))->inline_inode--); \
} while (0)
-
+#define stat_inc_inline_dir(inode) \
+ do { \
+ if (f2fs_has_inline_dentry(inode)) \
+ ((F2FS_I_SB(inode))->inline_dir++); \
+ } while (0)
+#define stat_dec_inline_dir(inode) \
+ do { \
+ if (f2fs_has_inline_dentry(inode)) \
+ ((F2FS_I_SB(inode))->inline_dir--); \
+ } while (0)
#define stat_inc_seg_type(sbi, curseg) \
((sbi)->segment_count[(curseg)->alloc_type]++)
#define stat_inc_block_count(sbi, curseg) \
@@ -1521,6 +1531,8 @@ void f2fs_destroy_root_stats(void);
#define stat_inc_read_hit(sb)
#define stat_inc_inline_inode(inode)
#define stat_dec_inline_inode(inode)
+#define stat_inc_inline_dir(inode)
+#define stat_dec_inline_dir(inode)
#define stat_inc_seg_type(sbi, curseg)
#define stat_inc_block_count(sbi, curseg)
#define stat_inc_seg_count(si, type)
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 3d44947..633d5e8 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -384,8 +384,8 @@ int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
/* clear inline dir and flag after data writeback */
zero_user_segment(ipage, INLINE_DATA_OFFSET,
INLINE_DATA_OFFSET + MAX_INLINE_DATA);
+ stat_dec_inline_dir(dir);
clear_inode_flag(F2FS_I(dir), FI_INLINE_DENTRY);
- stat_dec_inline_inode(dir);
if (i_size_read(dir) < PAGE_CACHE_SIZE) {
i_size_write(dir, PAGE_CACHE_SIZE);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 52d6f54..b9b1d6b 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -169,6 +169,7 @@ make_now:
goto bad_inode;
}
unlock_new_inode(inode);
+ stat_inc_inline_dir(inode);
trace_f2fs_iget(inode);
return inode;
@@ -300,6 +301,7 @@ void f2fs_evict_inode(struct inode *inode)
sb_end_intwrite(inode->i_sb);
no_delete:
+ stat_dec_inline_dir(inode);
invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, inode->i_ino);
if (xnid)
invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
@@ -327,6 +329,7 @@ void handle_failed_inode(struct inode *inode)
remove_inode_page(inode);
stat_dec_inline_inode(inode);
+ clear_inode_flag(F2FS_I(inode), FI_INLINE_DENTRY);
alloc_nid_failed(sbi, inode->i_ino);
f2fs_unlock_op(sbi);
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index c8290da..94ba291 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -297,6 +297,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
goto out_fail;
f2fs_unlock_op(sbi);
+ stat_inc_inline_dir(inode);
alloc_nid_done(sbi, inode->i_ino);
d_instantiate(dentry, inode);
--
2.1.1
--
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