From b29b3bd7e10d890e56e3e4a4fc31a575b9beb8db Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 30 Nov 2022 09:36:43 -0800 Subject: [PATCH] BACKPORT: f2fs: specify extent cache for read explicitly Let's descrbie it's read extent cache. Bug: 264453689 Signed-off-by: Jaegeuk Kim (cherry picked from commit 29539ed310a92b5eb1e6ce8906087536b6259d58) Change-Id: I9cb258b7ee152ead1458ef8adb3e542532f152ce --- fs/f2fs/extent_cache.c | 4 ++-- fs/f2fs/f2fs.h | 10 +++++----- fs/f2fs/inode.c | 2 +- fs/f2fs/node.c | 2 +- fs/f2fs/node.h | 2 +- fs/f2fs/segment.c | 4 ++-- fs/f2fs/super.c | 12 ++++++------ 7 files changed, 18 insertions(+), 18 deletions(-) diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index d837750f14f6..3129347a0f66 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -382,7 +382,7 @@ static void __f2fs_init_extent_tree(struct inode *inode, struct page *ipage) if (!i_ext || !i_ext->len) return; - get_extent_info(&ei, i_ext); + get_read_extent_info(&ei, i_ext); write_lock(&et->lock); if (atomic_read(&et->node_cnt)) @@ -709,7 +709,7 @@ unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink) unsigned int node_cnt = 0, tree_cnt = 0; int remained; - if (!test_opt(sbi, EXTENT_CACHE)) + if (!test_opt(sbi, READ_EXTENT_CACHE)) return 0; if (!atomic_read(&sbi->total_zombie_tree)) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 441c05968aa2..09ccdb0d599f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -84,7 +84,7 @@ extern const char *f2fs_fault_name[FAULT_MAX]; #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 #define F2FS_MOUNT_NOBARRIER 0x00000800 #define F2FS_MOUNT_FASTBOOT 0x00001000 -#define F2FS_MOUNT_EXTENT_CACHE 0x00002000 +#define F2FS_MOUNT_READ_EXTENT_CACHE 0x00002000 #define F2FS_MOUNT_DATA_FLUSH 0x00008000 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 #define F2FS_MOUNT_USRQUOTA 0x00080000 @@ -568,7 +568,7 @@ enum { #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ /* number of extent info in extent cache we try to shrink */ -#define EXTENT_CACHE_SHRINK_NUMBER 128 +#define READ_EXTENT_CACHE_SHRINK_NUMBER 128 struct rb_entry { struct rb_node rb_node; /* rb node located in rb-tree */ @@ -786,7 +786,7 @@ struct f2fs_inode_info { unsigned int i_cluster_size; /* cluster size */ }; -static inline void get_extent_info(struct extent_info *ext, +static inline void get_read_extent_info(struct extent_info *ext, struct f2fs_extent *i_ext) { ext->fofs = le32_to_cpu(i_ext->fofs); @@ -794,7 +794,7 @@ static inline void get_extent_info(struct extent_info *ext, ext->len = le32_to_cpu(i_ext->len); } -static inline void set_raw_extent(struct extent_info *ext, +static inline void set_raw_read_extent(struct extent_info *ext, struct f2fs_extent *i_ext) { i_ext->fofs = cpu_to_le32(ext->fofs); @@ -4314,7 +4314,7 @@ static inline bool f2fs_may_extent_tree(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - if (!test_opt(sbi, EXTENT_CACHE) || + if (!test_opt(sbi, READ_EXTENT_CACHE) || is_inode_flag_set(inode, FI_NO_EXTENT) || (is_inode_flag_set(inode, FI_COMPRESSED_FILE) && !f2fs_sb_has_readonly(sbi))) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 29bf3e215f52..0b54b678137f 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -590,7 +590,7 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page) if (et) { read_lock(&et->lock); - set_raw_extent(&et->largest, &ri->i_ext); + set_raw_read_extent(&et->largest, &ri->i_ext); read_unlock(&et->lock); } else { memset(&ri->i_ext, 0, sizeof(ri->i_ext)); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 2c71bcd2eee0..a55b3676233c 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -83,7 +83,7 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type) sizeof(struct ino_entry); mem_size >>= PAGE_SHIFT; res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1); - } else if (type == EXTENT_CACHE) { + } else if (type == READ_EXTENT_CACHE) { mem_size = (atomic_read(&sbi->total_ext_tree) * sizeof(struct extent_tree) + atomic_read(&sbi->total_ext_node) * diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index ff14a6e5ac1c..2c152e677a06 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -148,7 +148,7 @@ enum mem_type { NAT_ENTRIES, /* indicates the cached nat entry */ DIRTY_DENTS, /* indicates dirty dentry pages */ INO_ENTRIES, /* indicates inode entries */ - EXTENT_CACHE, /* indicates extent cache */ + READ_EXTENT_CACHE, /* indicates read extent cache */ INMEM_PAGES, /* indicates inmemory pages */ DISCARD_CACHE, /* indicates memory of cached discard cmds */ COMPRESS_PAGE, /* indicates memory of cached compressed pages */ diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index fdb41cb3fd68..ef599fbab740 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -536,8 +536,8 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg) return; /* try to shrink extent cache when there is no enough memory */ - if (!f2fs_available_free_memory(sbi, EXTENT_CACHE)) - f2fs_shrink_extent_tree(sbi, EXTENT_CACHE_SHRINK_NUMBER); + if (!f2fs_available_free_memory(sbi, READ_EXTENT_CACHE)) + f2fs_shrink_extent_tree(sbi, READ_EXTENT_CACHE_SHRINK_NUMBER); /* check the # of cached NAT entries */ if (!f2fs_available_free_memory(sbi, NAT_ENTRIES)) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 89d90d366754..98da6a8636e0 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -753,10 +753,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) set_opt(sbi, FASTBOOT); break; case Opt_extent_cache: - set_opt(sbi, EXTENT_CACHE); + set_opt(sbi, READ_EXTENT_CACHE); break; case Opt_noextent_cache: - clear_opt(sbi, EXTENT_CACHE); + clear_opt(sbi, READ_EXTENT_CACHE); break; case Opt_noinline_data: clear_opt(sbi, INLINE_DATA); @@ -1817,7 +1817,7 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",nobarrier"); if (test_opt(sbi, FASTBOOT)) seq_puts(seq, ",fastboot"); - if (test_opt(sbi, EXTENT_CACHE)) + if (test_opt(sbi, READ_EXTENT_CACHE)) seq_puts(seq, ",extent_cache"); else seq_puts(seq, ",noextent_cache"); @@ -1922,7 +1922,7 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, INLINE_XATTR); set_opt(sbi, INLINE_DATA); set_opt(sbi, INLINE_DENTRY); - set_opt(sbi, EXTENT_CACHE); + set_opt(sbi, READ_EXTENT_CACHE); set_opt(sbi, NOHEAP); clear_opt(sbi, DISABLE_CHECKPOINT); set_opt(sbi, MERGE_CHECKPOINT); @@ -2042,7 +2042,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) bool need_restart_gc = false, need_stop_gc = false; bool need_restart_ckpt = false, need_stop_ckpt = false; bool need_restart_flush = false, need_stop_flush = false; - bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); + bool no_read_extent_cache = !test_opt(sbi, READ_EXTENT_CACHE); bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); bool no_io_align = !F2FS_IO_ALIGNED(sbi); bool no_atgc = !test_opt(sbi, ATGC); @@ -2132,7 +2132,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) } /* disallow enable/disable extent_cache dynamically */ - if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { + if (no_read_extent_cache == !!test_opt(sbi, READ_EXTENT_CACHE)) { err = -EINVAL; f2fs_warn(sbi, "switch extent_cache option is not allowed"); goto restore_opts;