diff options
Diffstat (limited to 'fs/f2fs/xattr.c')
-rw-r--r-- | fs/f2fs/xattr.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 7298a4488f7f..832c5110abab 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -250,15 +250,13 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage, void *cur_addr, *txattr_addr, *last_addr = NULL; nid_t xnid = F2FS_I(inode)->i_xattr_nid; unsigned int size = xnid ? VALID_XATTR_BLOCK_SIZE : 0; - unsigned int inline_size = 0; + unsigned int inline_size = inline_xattr_size(inode); int err = 0; - inline_size = inline_xattr_size(inode); - if (!size && !inline_size) return -ENODATA; - txattr_addr = kzalloc(inline_size + size + sizeof(__u32), + txattr_addr = kzalloc(inline_size + size + XATTR_PADDING_SIZE, GFP_F2FS_ZERO); if (!txattr_addr) return -ENOMEM; @@ -328,13 +326,14 @@ static int read_all_xattrs(struct inode *inode, struct page *ipage, { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_header *header; - size_t size = PAGE_SIZE, inline_size = 0; + nid_t xnid = F2FS_I(inode)->i_xattr_nid; + unsigned int size = VALID_XATTR_BLOCK_SIZE; + unsigned int inline_size = inline_xattr_size(inode); void *txattr_addr; int err; - inline_size = inline_xattr_size(inode); - - txattr_addr = kzalloc(inline_size + size, GFP_F2FS_ZERO); + txattr_addr = kzalloc(inline_size + size + XATTR_PADDING_SIZE, + GFP_F2FS_ZERO); if (!txattr_addr) return -ENOMEM; @@ -358,19 +357,19 @@ static int read_all_xattrs(struct inode *inode, struct page *ipage, } /* read from xattr node block */ - if (F2FS_I(inode)->i_xattr_nid) { + if (xnid) { struct page *xpage; void *xattr_addr; /* The inode already has an extended attribute block. */ - xpage = get_node_page(sbi, F2FS_I(inode)->i_xattr_nid); + xpage = get_node_page(sbi, xnid); if (IS_ERR(xpage)) { err = PTR_ERR(xpage); goto fail; } xattr_addr = page_address(xpage); - memcpy(txattr_addr + inline_size, xattr_addr, PAGE_SIZE); + memcpy(txattr_addr + inline_size, xattr_addr, size); f2fs_put_page(xpage, 1); } @@ -392,14 +391,12 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, void *txattr_addr, struct page *ipage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - size_t inline_size = 0; + size_t inline_size = inline_xattr_size(inode); void *xattr_addr; struct page *xpage; nid_t new_nid = 0; int err; - inline_size = inline_xattr_size(inode); - if (hsize > inline_size && !F2FS_I(inode)->i_xattr_nid) if (!alloc_nid(sbi, &new_nid)) return -ENOSPC; @@ -454,7 +451,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, } xattr_addr = page_address(xpage); - memcpy(xattr_addr, txattr_addr + inline_size, MAX_XATTR_BLOCK_SIZE); + memcpy(xattr_addr, txattr_addr + inline_size, VALID_XATTR_BLOCK_SIZE); set_page_dirty(xpage); f2fs_put_page(xpage, 1); @@ -546,7 +543,9 @@ static bool f2fs_xattr_value_same(struct f2fs_xattr_entry *entry, const void *value, size_t size) { void *pval = entry->e_name + entry->e_name_len; - return (entry->e_value_size == size) && !memcmp(pval, value, size); + + return (le16_to_cpu(entry->e_value_size) == size) && + !memcmp(pval, value, size); } static int __f2fs_setxattr(struct inode *inode, int index, |