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eCryptfs: Remove ecryptfs_header_cache_2

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Now that ecryptfs_lookup_interpose() is no longer using
ecryptfs_header_cache_2 to read in metadata, the kmem_cache can be
removed and the ecryptfs_header_cache_1 kmem_cache can be renamed to
ecryptfs_header_cache.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Tyler Hicks 2011-05-24 05:11:12 -05:00
parent 778aeb42a7
commit 3063287053
3 changed files with 6 additions and 13 deletions
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7
fs/ecryptfs/crypto.c
View File

@ -1234,8 +1234,7 @@ ecryptfs_write_header_metadata(char *virt,
(*written) = 6; (*written) = 6;
} }
struct kmem_cache *ecryptfs_header_cache_1; struct kmem_cache *ecryptfs_header_cache;
struct kmem_cache *ecryptfs_header_cache_2;
/** /**
* ecryptfs_write_headers_virt * ecryptfs_write_headers_virt
@ -1601,7 +1600,7 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat, ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat,
mount_crypt_stat); mount_crypt_stat);
/* Read the first page from the underlying file */ /* Read the first page from the underlying file */
page_virt = kmem_cache_alloc(ecryptfs_header_cache_1, GFP_USER); page_virt = kmem_cache_alloc(ecryptfs_header_cache, GFP_USER);
if (!page_virt) { if (!page_virt) {
rc = -ENOMEM; rc = -ENOMEM;
printk(KERN_ERR "%s: Unable to allocate page_virt\n", printk(KERN_ERR "%s: Unable to allocate page_virt\n",
@ -1646,7 +1645,7 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
out: out:
if (page_virt) { if (page_virt) {
memset(page_virt, 0, PAGE_CACHE_SIZE); memset(page_virt, 0, PAGE_CACHE_SIZE);
kmem_cache_free(ecryptfs_header_cache_1, page_virt); kmem_cache_free(ecryptfs_header_cache, page_virt);
} }
return rc; return rc;
} }

3
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -605,8 +605,7 @@ extern struct kmem_cache *ecryptfs_file_info_cache;
extern struct kmem_cache *ecryptfs_dentry_info_cache; extern struct kmem_cache *ecryptfs_dentry_info_cache;
extern struct kmem_cache *ecryptfs_inode_info_cache; extern struct kmem_cache *ecryptfs_inode_info_cache;
extern struct kmem_cache *ecryptfs_sb_info_cache; extern struct kmem_cache *ecryptfs_sb_info_cache;
extern struct kmem_cache *ecryptfs_header_cache_1; extern struct kmem_cache *ecryptfs_header_cache;
extern struct kmem_cache *ecryptfs_header_cache_2;
extern struct kmem_cache *ecryptfs_xattr_cache; extern struct kmem_cache *ecryptfs_xattr_cache;
extern struct kmem_cache *ecryptfs_key_record_cache; extern struct kmem_cache *ecryptfs_key_record_cache;
extern struct kmem_cache *ecryptfs_key_sig_cache; extern struct kmem_cache *ecryptfs_key_sig_cache;

9
fs/ecryptfs/main.c
View File

@ -635,13 +635,8 @@ static struct ecryptfs_cache_info {
.size = sizeof(struct ecryptfs_sb_info), .size = sizeof(struct ecryptfs_sb_info),
}, },
{ {
.cache = &ecryptfs_header_cache_1, .cache = &ecryptfs_header_cache,
.name = "ecryptfs_headers_1", .name = "ecryptfs_headers",
.size = PAGE_CACHE_SIZE,
},
{
.cache = &ecryptfs_header_cache_2,
.name = "ecryptfs_headers_2",
.size = PAGE_CACHE_SIZE, .size = PAGE_CACHE_SIZE,
}, },
{ {