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author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-22 02:50:49 (GMT) |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-27 01:10:00 (GMT) |
commit | 2be7fd55d44882c9818ed2d1dabc0f0abab5eeed (patch) | |
tree | f00416a3467fff577330753012c58784dd3292dd /arch/powerpc | |
parent | 179e037fc1370288188cb1f90b81156d75a3cb2d (diff) | |
download | linux-2be7fd55d44882c9818ed2d1dabc0f0abab5eeed.tar.xz |
switch spufs/coredump to iterate_fd()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/coredump.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c index c2c5b07..657e3f2 100644 --- a/arch/powerpc/platforms/cell/spufs/coredump.c +++ b/arch/powerpc/platforms/cell/spufs/coredump.c @@ -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) |