diff options
Diffstat (limited to 'fs/ext4/inline.c')
-rw-r--r-- | fs/ext4/inline.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 8fc2357c6867..63007822a464 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -11,11 +11,14 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ + +#include <linux/fiemap.h> + #include "ext4_jbd2.h" #include "ext4.h" #include "xattr.h" #include "truncate.h" -#include <linux/fiemap.h> +#include <trace/events/android_fs.h> #define EXT4_XATTR_SYSTEM_DATA "data" #define EXT4_MIN_INLINE_DATA_SIZE ((sizeof(__le32) * EXT4_N_BLOCKS)) @@ -501,6 +504,17 @@ int ext4_readpage_inline(struct inode *inode, struct page *page) return -EAGAIN; } + if (trace_android_fs_dataread_start_enabled()) { + char *path, pathbuf[MAX_TRACE_PATHBUF_LEN]; + + path = android_fstrace_get_pathname(pathbuf, + MAX_TRACE_PATHBUF_LEN, + inode); + trace_android_fs_dataread_start(inode, page_offset(page), + PAGE_SIZE, current->pid, + path, current->comm); + } + /* * Current inline data can only exist in the 1st page, * So for all the other pages, just set them uptodate. @@ -512,6 +526,8 @@ int ext4_readpage_inline(struct inode *inode, struct page *page) SetPageUptodate(page); } + trace_android_fs_dataread_end(inode, page_offset(page), PAGE_SIZE); + up_read(&EXT4_I(inode)->xattr_sem); unlock_page(page); @@ -991,20 +1007,18 @@ void ext4_show_inline_dir(struct inode *dir, struct buffer_head *bh, * and -EEXIST if directory entry already exists. */ static int ext4_add_dirent_to_inline(handle_t *handle, + struct ext4_filename *fname, struct dentry *dentry, struct inode *inode, struct ext4_iloc *iloc, void *inline_start, int inline_size) { struct inode *dir = dentry->d_parent->d_inode; - const char *name = dentry->d_name.name; - int namelen = dentry->d_name.len; int err; struct ext4_dir_entry_2 *de; - err = ext4_find_dest_de(dir, inode, iloc->bh, - inline_start, inline_size, - name, namelen, &de); + err = ext4_find_dest_de(dir, inode, iloc->bh, inline_start, + inline_size, fname, &de); if (err) return err; @@ -1012,7 +1026,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle, err = ext4_journal_get_write_access(handle, iloc->bh); if (err) return err; - ext4_insert_dentry(inode, de, inline_size, name, namelen); + ext4_insert_dentry(dir, inode, de, inline_size, fname); ext4_show_inline_dir(dir, iloc->bh, inline_start, inline_size); @@ -1242,8 +1256,8 @@ out: * If succeeds, return 0. If not, extended the inline dir and copied data to * the new created block. */ -int ext4_try_add_inline_entry(handle_t *handle, struct dentry *dentry, - struct inode *inode) +int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname, + struct dentry *dentry, struct inode *inode) { int ret, inline_size; void *inline_start; @@ -1262,7 +1276,7 @@ int ext4_try_add_inline_entry(handle_t *handle, struct dentry *dentry, EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; - ret = ext4_add_dirent_to_inline(handle, dentry, inode, &iloc, + ret = ext4_add_dirent_to_inline(handle, fname, dentry, inode, &iloc, inline_start, inline_size); if (ret != -ENOSPC) goto out; @@ -1283,8 +1297,9 @@ int ext4_try_add_inline_entry(handle_t *handle, struct dentry *dentry, if (inline_size) { inline_start = ext4_get_inline_xattr_pos(dir, &iloc); - ret = ext4_add_dirent_to_inline(handle, dentry, inode, &iloc, - inline_start, inline_size); + ret = ext4_add_dirent_to_inline(handle, fname, dentry, + inode, &iloc, inline_start, + inline_size); if (ret != -ENOSPC) goto out; @@ -1324,6 +1339,7 @@ int htree_inlinedir_to_tree(struct file *dir_file, struct ext4_iloc iloc; void *dir_buf = NULL; struct ext4_dir_entry_2 fake; + struct ext4_str tmp_str; ret = ext4_get_inode_loc(inode, &iloc); if (ret) @@ -1395,8 +1411,10 @@ int htree_inlinedir_to_tree(struct file *dir_file, continue; if (de->inode == 0) continue; - err = ext4_htree_store_dirent(dir_file, - hinfo->hash, hinfo->minor_hash, de); + tmp_str.name = de->name; + tmp_str.len = de->name_len; + err = ext4_htree_store_dirent(dir_file, hinfo->hash, + hinfo->minor_hash, de, &tmp_str); if (err) { count = err; goto out; @@ -1602,6 +1620,7 @@ out: } struct buffer_head *ext4_find_inline_entry(struct inode *dir, + struct ext4_filename *fname, const struct qstr *d_name, struct ext4_dir_entry_2 **res_dir, int *has_inline_data) @@ -1623,8 +1642,8 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, inline_start = (void *)ext4_raw_inode(&iloc)->i_block + EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; - ret = search_dir(iloc.bh, inline_start, inline_size, - dir, d_name, 0, res_dir); + ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + dir, fname, d_name, 0, res_dir); if (ret == 1) goto out_find; if (ret < 0) @@ -1636,8 +1655,8 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, inline_start = ext4_get_inline_xattr_pos(dir, &iloc); inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE; - ret = search_dir(iloc.bh, inline_start, inline_size, - dir, d_name, 0, res_dir); + ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + dir, fname, d_name, 0, res_dir); if (ret == 1) goto out_find; |