diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 12:38:28 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 12:38:28 -0700 |
commit | 2017bd19454ea7cdae19922d15b6930f6c8088a2 (patch) | |
tree | 53974657ab3a2c98f2da7b3fcb050ff5b697f876 /fs/ceph/buffer.c | |
parent | 9f1ad09493451c19d00c004da479acf699eeedd6 (diff) | |
parent | efa4c1206eaff047c474af2136748a58eb8cc33b (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (22 commits)
ceph: do not carry i_lock for readdir from dcache
fs/ceph/xattr.c: Use kmemdup
rbd: passing wrong variable to bvec_kunmap_irq()
rbd: null vs ERR_PTR
ceph: fix num_pages_free accounting in pagelist
ceph: add CEPH_MDS_OP_SETDIRLAYOUT and associated ioctl.
ceph: don't crash when passed bad mount options
ceph: fix debugfs warnings
block: rbd: removing unnecessary test
block: rbd: fixed may leaks
ceph: switch from BKL to lock_flocks()
ceph: preallocate flock state without locks held
ceph: add pagelist_reserve, pagelist_truncate, pagelist_set_cursor
ceph: use mapping->nrpages to determine if mapping is empty
ceph: only invalidate on check_caps if we actually have pages
ceph: do not hide .snap in root directory
rbd: introduce rados block device (rbd), based on libceph
ceph: factor out libceph from Ceph file system
ceph-rbd: osdc support for osd call and rollback operations
ceph: messenger and osdc changes for rbd
...
Diffstat (limited to 'fs/ceph/buffer.c')
-rw-r--r-- | fs/ceph/buffer.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/fs/ceph/buffer.c b/fs/ceph/buffer.c deleted file mode 100644 index cd39f17021d..00000000000 --- a/fs/ceph/buffer.c +++ /dev/null @@ -1,65 +0,0 @@ - -#include "ceph_debug.h" - -#include <linux/slab.h> - -#include "buffer.h" -#include "decode.h" - -struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp) -{ - struct ceph_buffer *b; - - b = kmalloc(sizeof(*b), gfp); - if (!b) - return NULL; - - b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN); - if (b->vec.iov_base) { - b->is_vmalloc = false; - } else { - b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL); - if (!b->vec.iov_base) { - kfree(b); - return NULL; - } - b->is_vmalloc = true; - } - - kref_init(&b->kref); - b->alloc_len = len; - b->vec.iov_len = len; - dout("buffer_new %p\n", b); - return b; -} - -void ceph_buffer_release(struct kref *kref) -{ - struct ceph_buffer *b = container_of(kref, struct ceph_buffer, kref); - - dout("buffer_release %p\n", b); - if (b->vec.iov_base) { - if (b->is_vmalloc) - vfree(b->vec.iov_base); - else - kfree(b->vec.iov_base); - } - kfree(b); -} - -int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end) -{ - size_t len; - - ceph_decode_need(p, end, sizeof(u32), bad); - len = ceph_decode_32(p); - dout("decode_buffer len %d\n", (int)len); - ceph_decode_need(p, end, len, bad); - *b = ceph_buffer_new(len, GFP_NOFS); - if (!*b) - return -ENOMEM; - ceph_decode_copy(p, (*b)->vec.iov_base, len); - return 0; -bad: - return -EINVAL; -} |