diff options
author | Jeff Mahoney <jeffm@suse.com> | 2014-04-23 14:00:36 (GMT) |
---|---|---|
committer | Jan Kara <jack@suse.cz> | 2014-05-06 20:52:19 (GMT) |
commit | 098297b27d23ad9d0fc302e3417474d9342c6c14 (patch) | |
tree | 58f2054cd9933225ef1ae9c7febedc9160041af6 /fs/reiserfs/dir.c | |
parent | 4cf5f7addf18ecae2ea49b11944976cbd26d5281 (diff) | |
download | linux-098297b27d23ad9d0fc302e3417474d9342c6c14.tar.xz |
reiserfs: cleanup, reformat comments to normal kernel style
This patch reformats comments in the reiserfs code to fit in 80 columns and
to follow the style rules.
There is no functional change but it helps make my eyes bleed less.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/reiserfs/dir.c')
-rw-r--r-- | fs/reiserfs/dir.c | 77 |
1 files changed, 52 insertions, 25 deletions
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 1fe5cde..8d51f28 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -59,7 +59,10 @@ static inline bool is_privroot_deh(struct inode *dir, struct reiserfs_de_head *d int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) { - struct cpu_key pos_key; /* key of current position in the directory (key of directory entry) */ + + /* key of current position in the directory (key of directory entry) */ + struct cpu_key pos_key; + INITIALIZE_PATH(path_to_entry); struct buffer_head *bh; int item_num, entry_num; @@ -77,21 +80,28 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) reiserfs_check_lock_depth(inode->i_sb, "readdir"); - /* form key for search the next directory entry using f_pos field of - file structure */ + /* + * form key for search the next directory entry using + * f_pos field of file structure + */ make_cpu_key(&pos_key, inode, ctx->pos ?: DOT_OFFSET, TYPE_DIRENTRY, 3); next_pos = cpu_key_k_offset(&pos_key); path_to_entry.reada = PATH_READA; while (1) { research: - /* search the directory item, containing entry with specified key */ + /* + * search the directory item, containing entry with + * specified key + */ search_res = search_by_entry_key(inode->i_sb, &pos_key, &path_to_entry, &de); if (search_res == IO_ERROR) { - // FIXME: we could just skip part of directory which could - // not be read + /* + * FIXME: we could just skip part of directory + * which could not be read + */ ret = -EIO; goto out; } @@ -109,14 +119,20 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) "vs-9005 item_num == %d, item amount == %d", item_num, B_NR_ITEMS(bh)); - /* and entry must be not more than number of entries in the item */ + /* + * and entry must be not more than number of entries + * in the item + */ RFALSE(ih_entry_count(ih) < entry_num, "vs-9010: entry number is too big %d (%d)", entry_num, ih_entry_count(ih)); + /* + * go through all entries in the directory item beginning + * from the entry, that has been found + */ if (search_res == POSITION_FOUND || entry_num < ih_entry_count(ih)) { - /* go through all entries in the directory item beginning from the entry, that has been found */ struct reiserfs_de_head *deh = B_I_DEH(bh, ih) + entry_num; @@ -127,16 +143,18 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) ino_t d_ino; loff_t cur_pos = deh_offset(deh); + /* it is hidden entry */ if (!de_visible(deh)) - /* it is hidden entry */ continue; d_reclen = entry_length(bh, ih, entry_num); d_name = B_I_DEH_ENTRY_FILE_NAME(bh, ih, deh); if (d_reclen <= 0 || d_name + d_reclen > bh->b_data + bh->b_size) { - /* There is corrupted data in entry, - * We'd better stop here */ + /* + * There is corrupted data in entry, + * We'd better stop here + */ pathrelse(&path_to_entry); ret = -EIO; goto out; @@ -145,10 +163,10 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) if (!d_name[d_reclen - 1]) d_reclen = strlen(d_name); + /* too big to send back to VFS */ if (d_reclen > REISERFS_MAX_NAME(inode->i_sb-> s_blocksize)) { - /* too big to send back to VFS */ continue; } @@ -173,10 +191,14 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) goto research; } } - // Note, that we copy name to user space via temporary - // buffer (local_buf) because filldir will block if - // user space buffer is swapped out. At that time - // entry can move to somewhere else + + /* + * Note, that we copy name to user space via + * temporary buffer (local_buf) because + * filldir will block if user space buffer is + * swapped out. At that time entry can move to + * somewhere else + */ memcpy(local_buf, d_name, d_reclen); /* @@ -209,22 +231,26 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) } /* for */ } + /* end of directory has been reached */ if (item_num != B_NR_ITEMS(bh) - 1) - // end of directory has been reached goto end; - /* item we went through is last item of node. Using right - delimiting key check is it directory end */ + /* + * item we went through is last item of node. Using right + * delimiting key check is it directory end + */ rkey = get_rkey(&path_to_entry, inode->i_sb); if (!comp_le_keys(rkey, &MIN_KEY)) { - /* set pos_key to key, that is the smallest and greater - that key of the last entry in the item */ + /* + * set pos_key to key, that is the smallest and greater + * that key of the last entry in the item + */ set_cpu_key_k_offset(&pos_key, next_pos); continue; } + /* end of directory has been reached */ if (COMP_SHORT_KEYS(rkey, &pos_key)) { - // end of directory has been reached goto end; } @@ -248,9 +274,10 @@ static int reiserfs_readdir(struct file *file, struct dir_context *ctx) return reiserfs_readdir_inode(file_inode(file), ctx); } -/* compose directory item containing "." and ".." entries (entries are - not aligned to 4 byte boundary) */ -/* the last four params are LE */ +/* + * compose directory item containing "." and ".." entries (entries are + * not aligned to 4 byte boundary) + */ void make_empty_dir_item_v1(char *body, __le32 dirid, __le32 objid, __le32 par_dirid, __le32 par_objid) { |