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Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 975c33df65c7..b33f73ec60a4 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -16,6 +16,7 @@
#define NULL_SECNO ((unsigned int)(~0))
#define DEF_RECLAIM_PREFREE_SEGMENTS 5 /* 5% over total segments */
+#define DEF_MAX_RECLAIM_PREFREE_SEGMENTS 4096 /* 8GB in maximum */
/* L: Logical segment # in volume, R: Relative segment # in main area */
#define GET_L2R_SEGNO(free_i, segno) (segno - free_i->start_segno)
@@ -158,16 +159,17 @@ struct victim_sel_policy {
};
struct seg_entry {
- unsigned short valid_blocks; /* # of valid blocks */
+ unsigned int type:6; /* segment type like CURSEG_XXX_TYPE */
+ unsigned int valid_blocks:10; /* # of valid blocks */
+ unsigned int ckpt_valid_blocks:10; /* # of valid blocks last cp */
+ unsigned int padding:6; /* padding */
unsigned char *cur_valid_map; /* validity bitmap of blocks */
/*
* # of valid blocks and the validity bitmap stored in the the last
* checkpoint pack. This information is used by the SSR mode.
*/
- unsigned short ckpt_valid_blocks;
- unsigned char *ckpt_valid_map;
+ unsigned char *ckpt_valid_map; /* validity bitmap of blocks last cp */
unsigned char *discard_map;
- unsigned char type; /* segment type like CURSEG_XXX_TYPE */
unsigned long long mtime; /* modification time of the segment */
};
@@ -469,6 +471,10 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi)
{
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
+
+ if (test_opt(sbi, LFS))
+ return false;
+
return free_sections(sbi) <= (node_secs + 2 * dent_secs +
reserved_sections(sbi) + 1);
}
@@ -478,6 +484,8 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed)
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
+ node_secs += get_blocktype_secs(sbi, F2FS_DIRTY_IMETA);
+
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
return false;
@@ -530,6 +538,9 @@ static inline bool need_inplace_update(struct inode *inode)
if (S_ISDIR(inode->i_mode) || f2fs_is_atomic_file(inode))
return false;
+ if (test_opt(sbi, LFS))
+ return false;
+
if (policy & (0x1 << F2FS_IPU_FORCE))
return true;
if (policy & (0x1 << F2FS_IPU_SSR) && need_SSR(sbi))
@@ -543,7 +554,7 @@ static inline bool need_inplace_update(struct inode *inode)
/* this is only set during fdatasync */
if (policy & (0x1 << F2FS_IPU_FSYNC) &&
- is_inode_flag_set(F2FS_I(inode), FI_NEED_IPU))
+ is_inode_flag_set(inode, FI_NEED_IPU))
return true;
return false;
@@ -705,9 +716,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
if (type == DATA)
return sbi->blocks_per_seg;
else if (type == NODE)
- return 3 * sbi->blocks_per_seg;
+ return 8 * sbi->blocks_per_seg;
else if (type == META)
- return MAX_BIO_BLOCKS(sbi);
+ return 8 * MAX_BIO_BLOCKS(sbi);
else
return 0;
}
@@ -725,10 +736,8 @@ static inline long nr_pages_to_write(struct f2fs_sb_info *sbi, int type,
nr_to_write = wbc->nr_to_write;
- if (type == DATA)
- desired = 4096;
- else if (type == NODE)
- desired = 3 * max_hw_blocks(sbi);
+ if (type == NODE)
+ desired = 2 * max_hw_blocks(sbi);
else
desired = MAX_BIO_BLOCKS(sbi);