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repair sysv_write_inode(), switch sysv to simple_fsync()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-06-07 15:29:45 -04:00
parent 0d7916d7e9
commit 05459ca81a
4 changed files with 19 additions and 48 deletions
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47
fs/sysv/inode.c
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@@ -247,7 +247,7 @@ bad_inode:
return ERR_PTR(-EIO);
}
static struct buffer_head * sysv_update_inode(struct inode * inode)
int sysv_write_inode(struct inode *inode, int wait)
{
struct super_block * sb = inode->i_sb;
struct sysv_sb_info * sbi = SYSV_SB(sb);
@@ -255,19 +255,21 @@ static struct buffer_head * sysv_update_inode(struct inode * inode)
struct sysv_inode * raw_inode;
struct sysv_inode_info * si;
unsigned int ino, block;
int err = 0;
ino = inode->i_ino;
if (!ino || ino > sbi->s_ninodes) {
printk("Bad inode number on dev %s: %d is out of range\n",
inode->i_sb->s_id, ino);
return NULL;
return -EIO;
}
raw_inode = sysv_raw_inode(sb, ino, &bh);
if (!raw_inode) {
printk("unable to read i-node block\n");
return NULL;
return -EIO;
}
lock_kernel();
raw_inode->i_mode = cpu_to_fs16(sbi, inode->i_mode);
raw_inode->i_uid = cpu_to_fs16(sbi, fs_high2lowuid(inode->i_uid));
raw_inode->i_gid = cpu_to_fs16(sbi, fs_high2lowgid(inode->i_gid));
@@ -283,38 +285,23 @@ static struct buffer_head * sysv_update_inode(struct inode * inode)
for (block = 0; block < 10+1+1+1; block++)
write3byte(sbi, (u8 *)&si->i_data[block],
&raw_inode->i_data[3*block]);
mark_buffer_dirty(bh);
return bh;
}
int sysv_write_inode(struct inode * inode, int wait)
{
struct buffer_head *bh;
lock_kernel();
bh = sysv_update_inode(inode);
brelse(bh);
unlock_kernel();
mark_buffer_dirty(bh);
if (wait) {
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
printk ("IO error syncing sysv inode [%s:%08x]\n",
sb->s_id, ino);
err = -EIO;
}
}
brelse(bh);
return 0;
}
int sysv_sync_inode(struct inode * inode)
int sysv_sync_inode(struct inode *inode)
{
int err = 0;
struct buffer_head *bh;
bh = sysv_update_inode(inode);
if (bh && buffer_dirty(bh)) {
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
printk ("IO error syncing sysv inode [%s:%08lx]\n",
inode->i_sb->s_id, inode->i_ino);
err = -1;
}
}
else if (!bh)
err = -1;
brelse (bh);
return err;
return sysv_write_inode(inode, 1);
}
static void sysv_delete_inode(struct inode *inode)