#include "ubifs.h" static int ubifs_crypt_get_context(struct inode *inode, void *ctx, size_t len) { return ubifs_xattr_get(inode, UBIFS_XATTR_NAME_ENCRYPTION_CONTEXT, ctx, len); } static int ubifs_crypt_set_context(struct inode *inode, const void *ctx, size_t len, void *fs_data) { return ubifs_xattr_set(inode, UBIFS_XATTR_NAME_ENCRYPTION_CONTEXT, ctx, len, 0); } static bool ubifs_crypt_empty_dir(struct inode *inode) { return ubifs_check_dir_empty(inode) == 0; } static unsigned int ubifs_crypt_max_namelen(struct inode *inode) { if (S_ISLNK(inode->i_mode)) return UBIFS_MAX_INO_DATA; else return UBIFS_MAX_NLEN; } static int ubifs_key_prefix(struct inode *inode, u8 **key) { static char prefix[] = "ubifs:"; *key = prefix; return sizeof(prefix) - 1; } int ubifs_encrypt(const struct inode *inode, struct ubifs_data_node *dn, unsigned int in_len, unsigned int *out_len, int block) { struct ubifs_info *c = inode->i_sb->s_fs_info; void *p = &dn->data; struct page *ret; unsigned int pad_len = round_up(in_len, UBIFS_CIPHER_BLOCK_SIZE); ubifs_assert(pad_len <= *out_len); dn->compr_size = cpu_to_le16(in_len); /* pad to full block cipher length */ if (pad_len != in_len) memset(p + in_len, 0, pad_len - in_len); ret = fscrypt_encrypt_page(inode, virt_to_page(&dn->data), pad_len, offset_in_page(&dn->data), block, GFP_NOFS); if (IS_ERR(ret)) { ubifs_err(c, "fscrypt_encrypt_page failed: %ld", PTR_ERR(ret)); return PTR_ERR(ret); } *out_len = pad_len; return 0; } int ubifs_decrypt(const struct inode *inode, struct ubifs_data_node *dn, unsigned int *out_len, int block) { struct ubifs_info *c = inode->i_sb->s_fs_info; int err; unsigned int clen = le16_to_cpu(dn->compr_size); unsigned int dlen = *out_len; if (clen <= 0 || clen > UBIFS_BLOCK_SIZE || clen > dlen) { ubifs_err(c, "bad compr_size: %i", clen); return -EINVAL; } ubifs_assert(dlen <= UBIFS_BLOCK_SIZE); err = fscrypt_decrypt_page(inode, virt_to_page(&dn->data), dlen, offset_in_page(&dn->data), block); if (err) { ubifs_err(c, "fscrypt_decrypt_page failed: %i", err); return err; } *out_len = clen; return 0; } struct fscrypt_operations ubifs_crypt_operations = { .flags = FS_CFLG_OWN_PAGES, .get_context = ubifs_crypt_get_context, .set_context = ubifs_crypt_set_context, .is_encrypted = __ubifs_crypt_is_encrypted, .empty_dir = ubifs_crypt_empty_dir, .max_namelen = ubifs_crypt_max_namelen, .key_prefix = ubifs_key_prefix, }; elect name='qt'>
path: root/include/dt-bindings/leds/leds-netxbig.h
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-01 12:27:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-01 12:27:05 -0800
commit4759d386d55fef452d692bf101167914437e848e (patch)
treee7109c192ec589fcea2a98f9702aa3c0e4009581 /include/dt-bindings/leds/leds-netxbig.h
parent238d1d0f79f619d75c2cc741d6770fb0986aef24 (diff)
parent1db175428ee374489448361213e9c3b749d14900 (diff)
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull DAX updates from Dan Williams: "The completion of Jan's DAX work for 4.10. As I mentioned in the libnvdimm-for-4.10 pull request, these are some final fixes for the DAX dirty-cacheline-tracking invalidation work that was merged through the -mm, ext4, and xfs trees in -rc1. These patches were prepared prior to the merge window, but we waited for 4.10-rc1 to have a stable merge base after all the prerequisites were merged. Quoting Jan on the overall changes in these patches: "So I'd like all these 6 patches to go for rc2. The first three patches fix invalidation of exceptional DAX entries (a bug which is there for a long time) - without these patches data loss can occur on power failure even though user called fsync(2). The other three patches change locking of DAX faults so that ->iomap_begin() is called in a more relaxed locking context and we are safe to start a transaction there for ext4" These have received a build success notification from the kbuild robot, and pass the latest libnvdimm unit tests. There have not been any -next releases since -rc1, so they have not appeared there" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: ext4: Simplify DAX fault path dax: Call ->iomap_begin without entry lock during dax fault dax: Finish fault completely when loading holes dax: Avoid page invalidation races and unnecessary radix tree traversals mm: Invalidate DAX radix tree entries only if appropriate ext2: Return BH_New buffers for zeroed blocks
Diffstat (limited to 'include/dt-bindings/leds/leds-netxbig.h')