diff options
Diffstat (limited to 'fs/squashfs/decompressor_multi_percpu.c')
| -rw-r--r-- | fs/squashfs/decompressor_multi_percpu.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/squashfs/decompressor_multi_percpu.c b/fs/squashfs/decompressor_multi_percpu.c index b881b9283b7f..1dfadf76ed9a 100644 --- a/fs/squashfs/decompressor_multi_percpu.c +++ b/fs/squashfs/decompressor_multi_percpu.c @@ -25,7 +25,7 @@ struct squashfs_stream { local_lock_t lock; }; -void *squashfs_decompressor_create(struct squashfs_sb_info *msblk, +static void *squashfs_decompressor_create(struct squashfs_sb_info *msblk, void *comp_opts) { struct squashfs_stream *stream; @@ -59,7 +59,7 @@ out: return ERR_PTR(err); } -void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk) +static void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk) { struct squashfs_stream __percpu *percpu = (struct squashfs_stream __percpu *) msblk->stream; @@ -75,19 +75,21 @@ void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk) } } -int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio, +static int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio, int offset, int length, struct squashfs_page_actor *output) { struct squashfs_stream *stream; + struct squashfs_stream __percpu *percpu = + (struct squashfs_stream __percpu *) msblk->stream; int res; - local_lock(&msblk->stream->lock); - stream = this_cpu_ptr(msblk->stream); + local_lock(&percpu->lock); + stream = this_cpu_ptr(percpu); res = msblk->decompressor->decompress(msblk, stream->stream, bio, offset, length, output); - local_unlock(&msblk->stream->lock); + local_unlock(&percpu->lock); if (res < 0) ERROR("%s decompression failed, data probably corrupt\n", @@ -96,7 +98,14 @@ int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio, return res; } -int squashfs_max_decompressors(void) +static int squashfs_max_decompressors(void) { return num_possible_cpus(); } + +const struct squashfs_decompressor_thread_ops squashfs_decompressor_percpu = { + .create = squashfs_decompressor_create, + .destroy = squashfs_decompressor_destroy, + .decompress = squashfs_decompress, + .max_decompressors = squashfs_max_decompressors, +}; |