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| author | Omar Sandoval <osandov@fb.com> | 2022-03-14 18:12:34 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:03:08 +0200 |
| commit | 3538d68dbd97a2f5599bf39aeee47f027417fc39 (patch) | |
| tree | eb1126687925a136a5c1a13f15ed22abf6b833ae /fs/btrfs/acl.c | |
| parent | 5f465bf1f15aec52bed8d3e17738b303ae8e1a3c (diff) | |
| download | linux-3538d68dbd97a2f5599bf39aeee47f027417fc39.tar.gz linux-3538d68dbd97a2f5599bf39aeee47f027417fc39.tar.bz2 linux-3538d68dbd97a2f5599bf39aeee47f027417fc39.zip | |
btrfs: reserve correct number of items for inode creation
The various inode creation code paths do not account for the compression
property, POSIX ACLs, or the parent inode item when starting a
transaction. Fix it by refactoring all of these code paths to use a new
function, btrfs_new_inode_prepare(), which computes the correct number
of items. To do so, it needs to know whether POSIX ACLs will be created,
so move the ACL creation into that function. To reduce the number of
arguments that need to be passed around for inode creation, define
struct btrfs_new_inode_args containing all of the relevant information.
btrfs_new_inode_prepare() will also be a good place to set up the
fscrypt context and encrypted filename in the future.
Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/acl.c')
| -rw-r--r-- | fs/btrfs/acl.c | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index a6909ec9bc38..548d6a5477b4 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -55,8 +55,8 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu) return acl; } -static int __btrfs_set_acl(struct btrfs_trans_handle *trans, - struct inode *inode, struct posix_acl *acl, int type) +int __btrfs_set_acl(struct btrfs_trans_handle *trans, struct inode *inode, + struct posix_acl *acl, int type) { int ret, size = 0; const char *name; @@ -127,35 +127,3 @@ int btrfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode, inode->i_mode = old_mode; return ret; } - -int btrfs_init_acl(struct btrfs_trans_handle *trans, - struct inode *inode, struct inode *dir) -{ - struct posix_acl *default_acl, *acl; - int ret = 0; - - /* this happens with subvols */ - if (!dir) - return 0; - - ret = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl); - if (ret) - return ret; - - if (default_acl) { - ret = __btrfs_set_acl(trans, inode, default_acl, - ACL_TYPE_DEFAULT); - posix_acl_release(default_acl); - } - - if (acl) { - if (!ret) - ret = __btrfs_set_acl(trans, inode, acl, - ACL_TYPE_ACCESS); - posix_acl_release(acl); - } - - if (!default_acl && !acl) - cache_no_acl(inode); - return ret; -} |