diff options
Diffstat (limited to 'fs/ext4/inline.c')
| -rw-r--r-- | fs/ext4/inline.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index cff52ff6549d..1fa36cbe09ec 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -6,6 +6,7 @@ #include <linux/iomap.h> #include <linux/fiemap.h> +#include <linux/namei.h> #include <linux/iversion.h> #include <linux/sched/mm.h> @@ -1588,6 +1589,35 @@ out: return ret; } +void *ext4_read_inline_link(struct inode *inode) +{ + struct ext4_iloc iloc; + int ret, inline_size; + void *link; + + ret = ext4_get_inode_loc(inode, &iloc); + if (ret) + return ERR_PTR(ret); + + ret = -ENOMEM; + inline_size = ext4_get_inline_size(inode); + link = kmalloc(inline_size + 1, GFP_NOFS); + if (!link) + goto out; + + ret = ext4_read_inline_data(inode, link, inline_size, &iloc); + if (ret < 0) { + kfree(link); + goto out; + } + nd_terminate_link(link, inode->i_size, ret); +out: + if (ret < 0) + link = ERR_PTR(ret); + brelse(iloc.bh); + return link; +} + struct buffer_head *ext4_get_first_inline_block(struct inode *inode, struct ext4_dir_entry_2 **parent_de, int *retval) |