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f2fs crypto: add filename encryption for f2fs_lookup

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This patch implements filename encryption support for f2fs_lookup.

Note that, f2fs_find_entry should be outside of f2fs_(un)lock_op().

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2015-04-27 17:12:39 -07:00
parent d8c6822a05
commit 6e22c691ba
3 changed files with 57 additions and 42 deletions
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fs/f2fs/f2fs.h
+5 -4
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@@ -1584,8 +1584,9 @@ struct dentry *f2fs_get_parent(struct dentry *child);
*/
extern unsigned char f2fs_filetype_table[F2FS_FT_MAX];
void set_de_type(struct f2fs_dir_entry *, umode_t);
struct f2fs_dir_entry *find_target_dentry(struct qstr *, int *,
struct f2fs_dentry_ptr *);
struct f2fs_dir_entry *find_target_dentry(struct f2fs_filename *,
f2fs_hash_t, int *, struct f2fs_dentry_ptr *);
bool f2fs_fill_dentries(struct dir_context *, struct f2fs_dentry_ptr *,
unsigned int, struct f2fs_str *);
void do_make_empty_dir(struct inode *, struct inode *,
@@ -1931,8 +1932,8 @@ int f2fs_convert_inline_page(struct dnode_of_data *, struct page *);
int f2fs_convert_inline_inode(struct inode *);
int f2fs_write_inline_data(struct inode *, struct page *);
bool recover_inline_data(struct inode *, struct page *);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *, struct qstr *,
struct page **);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *,
struct f2fs_filename *, struct page **);
struct f2fs_dir_entry *f2fs_parent_inline_dir(struct inode *, struct page **);
int make_empty_inline_dir(struct inode *inode, struct inode *, struct page *);
int f2fs_add_inline_entry(struct inode *, const struct qstr *, struct inode *,