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[readdir] convert qnx6

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-05-17 15:32:10 -04:00
parent 663f4deca7
commit 4deb398a1b
1 changed files with 14 additions and 17 deletions
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31
fs/qnx6/dir.c
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@ -65,8 +65,8 @@ static struct qnx6_long_filename *qnx6_longname(struct super_block *sb,
static int qnx6_dir_longfilename(struct inode *inode,
struct qnx6_long_dir_entry *de,
void *dirent, loff_t pos,
unsigned de_inode, filldir_t filldir)
struct dir_context *ctx,
unsigned de_inode)
{
struct qnx6_long_filename *lf;
struct super_block *s = inode->i_sb;
@ -104,8 +104,7 @@ static int qnx6_dir_longfilename(struct inode *inode,
QNX6DEBUG((KERN_INFO "qnx6_readdir:%.*s inode:%u\n",
lf_size, lf->lf_fname, de_inode));
if (filldir(dirent, lf->lf_fname, lf_size, pos, de_inode,
DT_UNKNOWN) < 0) {
if (!dir_emit(ctx, lf->lf_fname, lf_size, de_inode, DT_UNKNOWN)) {
qnx6_put_page(page);
return 0;
}
@ -115,18 +114,19 @@ static int qnx6_dir_longfilename(struct inode *inode,
return 1;
}
static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
static int qnx6_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(filp);
struct inode *inode = file_inode(file);
struct super_block *s = inode->i_sb;
struct qnx6_sb_info *sbi = QNX6_SB(s);
loff_t pos = filp->f_pos & ~(QNX6_DIR_ENTRY_SIZE - 1);
loff_t pos = ctx->pos & ~(QNX6_DIR_ENTRY_SIZE - 1);
unsigned long npages = dir_pages(inode);
unsigned long n = pos >> PAGE_CACHE_SHIFT;
unsigned start = (pos & ~PAGE_CACHE_MASK) / QNX6_DIR_ENTRY_SIZE;
bool done = false;
if (filp->f_pos >= inode->i_size)
ctx->pos = pos;
if (ctx->pos >= inode->i_size)
return 0;
for ( ; !done && n < npages; n++, start = 0) {
@ -137,11 +137,11 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (IS_ERR(page)) {
printk(KERN_ERR "qnx6_readdir: read failed\n");
filp->f_pos = (n + 1) << PAGE_CACHE_SHIFT;
ctx->pos = (n + 1) << PAGE_CACHE_SHIFT;
return PTR_ERR(page);
}
de = ((struct qnx6_dir_entry *)page_address(page)) + start;
for (; i < limit; i++, de++, pos += QNX6_DIR_ENTRY_SIZE) {
for (; i < limit; i++, de++, ctx->pos += QNX6_DIR_ENTRY_SIZE) {
int size = de->de_size;
u32 no_inode = fs32_to_cpu(sbi, de->de_inode);
@ -154,8 +154,7 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
structure / block */
if (!qnx6_dir_longfilename(inode,
(struct qnx6_long_dir_entry *)de,
dirent, pos, no_inode,
filldir)) {
ctx, no_inode)) {
done = true;
break;
}
@ -163,9 +162,8 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
QNX6DEBUG((KERN_INFO "qnx6_readdir:%.*s"
" inode:%u\n", size, de->de_fname,
no_inode));
if (filldir(dirent, de->de_fname, size,
pos, no_inode, DT_UNKNOWN)
< 0) {
if (!dir_emit(ctx, de->de_fname, size,
no_inode, DT_UNKNOWN)) {
done = true;
break;
}
@ -173,7 +171,6 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
}
qnx6_put_page(page);
}
filp->f_pos = pos;
return 0;
}
@ -282,7 +279,7 @@ found:
const struct file_operations qnx6_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = qnx6_readdir,
.iterate = qnx6_readdir,
.fsync = generic_file_fsync,
};