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fat: accessors for msdos_dir_entry 'start' fields

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Simplify code by providing accessor functions for the directory entry
start cluster fields.

Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Steven J. Magnani
2012-07-30 14:42:13 -07:00
committed by Linus Torvalds
parent 497d48bd27
commit a943ed71c9
4 changed files with 24 additions and 25 deletions
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11
fs/fat/namei_msdos.c
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@@ -246,8 +246,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
de.ctime_cs = 0;
de.time = time;
de.date = date;
de.start = cpu_to_le16(cluster);
de.starthi = cpu_to_le16(cluster >> 16);
fat_set_start(&de, cluster);
de.size = 0;
err = fat_add_entries(dir, &de, 1, sinfo);
@@ -530,9 +529,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
mark_inode_dirty(old_inode);
if (update_dotdot) {
int start = MSDOS_I(new_dir)->i_logstart;
dotdot_de->start = cpu_to_le16(start);
dotdot_de->starthi = cpu_to_le16(start >> 16);
fat_set_start(dotdot_de, MSDOS_I(new_dir)->i_logstart);
mark_buffer_dirty_inode(dotdot_bh, old_inode);
if (IS_DIRSYNC(new_dir)) {
err = sync_dirty_buffer(dotdot_bh);
@@ -572,9 +569,7 @@ error_dotdot:
corrupt = 1;
if (update_dotdot) {
int start = MSDOS_I(old_dir)->i_logstart;
dotdot_de->start = cpu_to_le16(start);
dotdot_de->starthi = cpu_to_le16(start >> 16);
fat_set_start(dotdot_de, MSDOS_I(old_dir)->i_logstart);
mark_buffer_dirty_inode(dotdot_bh, old_inode);
corrupt |= sync_dirty_buffer(dotdot_bh);
}