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switch spufs/coredump to iterate_fd()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-21 22:50:49 -04:00
parent 179e037fc1
commit 2be7fd55d4
1 changed files with 20 additions and 20 deletions
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40
arch/powerpc/platforms/cell/spufs/coredump.c
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@ -106,6 +106,17 @@ static int spufs_ctx_note_size(struct spu_context *ctx, int dfd)
return total;
}
static int match_context(const void *v, struct file *file, unsigned fd)
{
struct spu_context *ctx;
if (file->f_op != &spufs_context_fops)
return 0;
ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
if (ctx->flags & SPU_CREATE_NOSCHED)
return 0;
return fd + 1;
}
/*
* The additional architecture-specific notes for Cell are various
* context files in the spu context.
@ -115,29 +126,18 @@ static int spufs_ctx_note_size(struct spu_context *ctx, int dfd)
* internal functionality to dump them without needing to actually
* open the files.
*/
/*
* descriptor table is not shared, so files can't change or go away.
*/
static struct spu_context *coredump_next_context(int *fd)
{
struct fdtable *fdt = files_fdtable(current->files);
struct file *file;
struct spu_context *ctx = NULL;
for (; *fd < fdt->max_fds; (*fd)++) {
if (!fd_is_open(*fd, fdt))
continue;
file = fcheck(*fd);
if (!file || file->f_op != &spufs_context_fops)
continue;
ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
if (ctx->flags & SPU_CREATE_NOSCHED)
continue;
break;
}
return ctx;
int n = iterate_fd(current->files, *fd, match_context, NULL);
if (!n)
return NULL;
*fd = n - 1;
file = fcheck(*fd);
return SPUFS_I(file->f_dentry->d_inode)->i_ctx;
}
int spufs_coredump_extra_notes_size(void)