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-rw-r--r--fs/f2fs/f2fs.h1
-rw-r--r--fs/f2fs/super.c13
-rw-r--r--include/linux/f2fs_fs.h13
3 files changed, 14 insertions, 13 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4665bff1bf55..f1f0d2810852 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -459,7 +459,6 @@ struct f2fs_flush_device {
/* for inline stuff */
#define DEF_INLINE_RESERVED_SIZE 1
-#define DEF_MIN_INLINE_SIZE 1
static inline int get_extra_isize(struct inode *inode);
static inline int get_inline_xattr_addrs(struct inode *inode);
#define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 83bbe7424fc1..be8be445c6ed 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -834,12 +834,13 @@ static int parse_options(struct super_block *sb, char *options)
"set with inline_xattr option");
return -EINVAL;
}
- if (!F2FS_OPTION(sbi).inline_xattr_size ||
- F2FS_OPTION(sbi).inline_xattr_size >=
- DEF_ADDRS_PER_INODE -
- F2FS_TOTAL_EXTRA_ATTR_SIZE -
- DEF_INLINE_RESERVED_SIZE -
- DEF_MIN_INLINE_SIZE) {
+ if (F2FS_OPTION(sbi).inline_xattr_size <
+ sizeof(struct f2fs_xattr_header) / sizeof(__le32) ||
+ F2FS_OPTION(sbi).inline_xattr_size >
+ DEF_ADDRS_PER_INODE -
+ F2FS_TOTAL_EXTRA_ATTR_SIZE / sizeof(__le32) -
+ DEF_INLINE_RESERVED_SIZE -
+ MIN_INLINE_DENTRY_SIZE / sizeof(__le32)) {
f2fs_msg(sb, KERN_ERR,
"inline xattr size is out of range");
return -EINVAL;
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 8d57aaee8166..666db8eb71e0 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -490,12 +490,12 @@ typedef __le32 f2fs_hash_t;
/*
* space utilization of regular dentry and inline dentry (w/o extra reservation)
- * regular dentry inline dentry
- * bitmap 1 * 27 = 27 1 * 23 = 23
- * reserved 1 * 3 = 3 1 * 7 = 7
- * dentry 11 * 214 = 2354 11 * 182 = 2002
- * filename 8 * 214 = 1712 8 * 182 = 1456
- * total 4096 3488
+ * regular dentry inline dentry (def) inline dentry (min)
+ * bitmap 1 * 27 = 27 1 * 23 = 23 1 * 1 = 1
+ * reserved 1 * 3 = 3 1 * 7 = 7 1 * 1 = 1
+ * dentry 11 * 214 = 2354 11 * 182 = 2002 11 * 2 = 22
+ * filename 8 * 214 = 1712 8 * 182 = 1456 8 * 2 = 16
+ * total 4096 3488 40
*
* Note: there are more reserved space in inline dentry than in regular
* dentry, when converting inline dentry we should handle this carefully.
@@ -507,6 +507,7 @@ typedef __le32 f2fs_hash_t;
#define SIZE_OF_RESERVED (PAGE_SIZE - ((SIZE_OF_DIR_ENTRY + \
F2FS_SLOT_LEN) * \
NR_DENTRY_IN_BLOCK + SIZE_OF_DENTRY_BITMAP))
+#define MIN_INLINE_DENTRY_SIZE 40 /* just include '.' and '..' entries */
/* One directory entry slot representing F2FS_SLOT_LEN-sized file name */
struct f2fs_dir_entry {