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Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h63
1 files changed, 45 insertions, 18 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 32191548abed..9ebde0cd632e 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1114,6 +1114,7 @@ struct ext4_inode_info {
/*
* Mount flags set via mount options or defaults
*/
+#define EXT4_MOUNT_NO_MBCACHE 0x00001 /* Do not use mbcache */
#define EXT4_MOUNT_GRPID 0x00004 /* Create files with directory's group */
#define EXT4_MOUNT_DEBUG 0x00008 /* Some debugging messages */
#define EXT4_MOUNT_ERRORS_CONT 0x00010 /* Continue on errors */
@@ -1444,6 +1445,8 @@ struct ext4_sb_info {
unsigned int *s_mb_maxs;
unsigned int s_group_info_size;
unsigned int s_mb_free_pending;
+ struct list_head s_freed_data_list; /* List of blocks to be freed
+ after commit completed */
/* tunables */
unsigned long s_stripe;
@@ -1516,7 +1519,8 @@ struct ext4_sb_info {
struct list_head s_es_list; /* List of inodes with reclaimable extents */
long s_es_nr_inode;
struct ext4_es_stats s_es_stats;
- struct mb_cache *s_mb_cache;
+ struct mb_cache *s_ea_block_cache;
+ struct mb_cache *s_ea_inode_cache;
spinlock_t s_es_lock ____cacheline_aligned_in_smp;
/* Ratelimit ext4 messages. */
@@ -1797,10 +1801,12 @@ EXT4_FEATURE_INCOMPAT_FUNCS(encrypt, ENCRYPT)
EXT4_FEATURE_INCOMPAT_EXTENTS| \
EXT4_FEATURE_INCOMPAT_64BIT| \
EXT4_FEATURE_INCOMPAT_FLEX_BG| \
+ EXT4_FEATURE_INCOMPAT_EA_INODE| \
EXT4_FEATURE_INCOMPAT_MMP | \
EXT4_FEATURE_INCOMPAT_INLINE_DATA | \
EXT4_FEATURE_INCOMPAT_ENCRYPT | \
- EXT4_FEATURE_INCOMPAT_CSUM_SEED)
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED | \
+ EXT4_FEATURE_INCOMPAT_LARGEDIR)
#define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
@@ -2098,6 +2104,12 @@ static inline struct ext4_inode *ext4_raw_inode(struct ext4_iloc *iloc)
return (struct ext4_inode *) (iloc->bh->b_data + iloc->offset);
}
+static inline bool ext4_is_quota_file(struct inode *inode)
+{
+ return IS_NOQUOTA(inode) &&
+ !(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL);
+}
+
/*
* This structure is stuffed into the struct file's private_data field
* for directories. It is where we put information so that we can do
@@ -2126,6 +2138,16 @@ ext4_group_first_block_no(struct super_block *sb, ext4_group_t group_no)
*/
#define ERR_BAD_DX_DIR (-(MAX_ERRNO - 1))
+/* htree levels for ext4 */
+#define EXT4_HTREE_LEVEL_COMPAT 2
+#define EXT4_HTREE_LEVEL 3
+
+static inline int ext4_dir_htree_level(struct super_block *sb)
+{
+ return ext4_has_feature_largedir(sb) ?
+ EXT4_HTREE_LEVEL : EXT4_HTREE_LEVEL_COMPAT;
+}
+
/*
* Timeout and state flag for lazy initialization inode thread.
*/
@@ -2389,16 +2411,17 @@ extern int ext4fs_dirhash(const char *name, int len, struct
/* ialloc.c */
extern struct inode *__ext4_new_inode(handle_t *, struct inode *, umode_t,
const struct qstr *qstr, __u32 goal,
- uid_t *owner, int handle_type,
- unsigned int line_no, int nblocks);
+ uid_t *owner, __u32 i_flags,
+ int handle_type, unsigned int line_no,
+ int nblocks);
-#define ext4_new_inode(handle, dir, mode, qstr, goal, owner) \
+#define ext4_new_inode(handle, dir, mode, qstr, goal, owner, i_flags) \
__ext4_new_inode((handle), (dir), (mode), (qstr), (goal), (owner), \
- 0, 0, 0)
+ i_flags, 0, 0, 0)
#define ext4_new_inode_start_handle(dir, mode, qstr, goal, owner, \
type, nblocks) \
__ext4_new_inode(NULL, (dir), (mode), (qstr), (goal), (owner), \
- (type), __LINE__, (nblocks))
+ 0, (type), __LINE__, (nblocks))
extern void ext4_free_inode(handle_t *, struct inode *);
@@ -2433,6 +2456,7 @@ extern int ext4_mb_add_groupinfo(struct super_block *sb,
extern int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
ext4_fsblk_t block, unsigned long count);
extern int ext4_trim_fs(struct super_block *, struct fstrim_range *);
+extern void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid);
/* inode.c */
int ext4_inode_is_fast_symlink(struct inode *inode);
@@ -2704,19 +2728,20 @@ extern void ext4_group_desc_csum_set(struct super_block *sb, __u32 group,
extern int ext4_register_li_request(struct super_block *sb,
ext4_group_t first_not_zeroed);
-static inline int ext4_has_group_desc_csum(struct super_block *sb)
-{
- return ext4_has_feature_gdt_csum(sb) ||
- EXT4_SB(sb)->s_chksum_driver != NULL;
-}
-
static inline int ext4_has_metadata_csum(struct super_block *sb)
{
WARN_ON_ONCE(ext4_has_feature_metadata_csum(sb) &&
!EXT4_SB(sb)->s_chksum_driver);
- return (EXT4_SB(sb)->s_chksum_driver != NULL);
+ return ext4_has_feature_metadata_csum(sb) &&
+ (EXT4_SB(sb)->s_chksum_driver != NULL);
}
+
+static inline int ext4_has_group_desc_csum(struct super_block *sb)
+{
+ return ext4_has_feature_gdt_csum(sb) || ext4_has_metadata_csum(sb);
+}
+
static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
{
return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) |
@@ -2756,13 +2781,15 @@ static inline void ext4_r_blocks_count_set(struct ext4_super_block *es,
es->s_r_blocks_count_hi = cpu_to_le32(blk >> 32);
}
-static inline loff_t ext4_isize(struct ext4_inode *raw_inode)
+static inline loff_t ext4_isize(struct super_block *sb,
+ struct ext4_inode *raw_inode)
{
- if (S_ISREG(le16_to_cpu(raw_inode->i_mode)))
+ if (ext4_has_feature_largedir(sb) ||
+ S_ISREG(le16_to_cpu(raw_inode->i_mode)))
return ((loff_t)le32_to_cpu(raw_inode->i_size_high) << 32) |
le32_to_cpu(raw_inode->i_size_lo);
- else
- return (loff_t) le32_to_cpu(raw_inode->i_size_lo);
+
+ return (loff_t) le32_to_cpu(raw_inode->i_size_lo);
}
static inline void ext4_isize_set(struct ext4_inode *raw_inode, loff_t i_size)