diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 13:57:12 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 13:57:12 -0700 |
commit | a0c3061093c8b49facef95dc09a618c6e0d17cb5 (patch) | |
tree | 1d6ff7c06134b71a8bd0721395386e82e46e60c8 /fs/btrfs/export.c | |
parent | 10799db60cbc4f990dd69eb49883477095c66af7 (diff) | |
parent | 174ba50915b08dcfd07c8b5fb795b46a165fa09a (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (58 commits)
Btrfs: use the device_list_mutex during write_dev_supers
Btrfs: setup free ino caching in a more asynchronous way
btrfs scrub: don't coalesce pages that are logically discontiguous
Btrfs: return -ENOMEM in clear_extent_bit
Btrfs: add mount -o auto_defrag
Btrfs: using rcu lock in the reader side of devices list
Btrfs: drop unnecessary device lock
Btrfs: fix the race between remove dev and alloc chunk
Btrfs: fix the race between reading and updating devices
Btrfs: fix bh leak on __btrfs_open_devices path
Btrfs: fix unsafe usage of merge_state
Btrfs: allocate extent state and check the result properly
fs/btrfs: Add missing btrfs_free_path
Btrfs: check return value of btrfs_inc_extent_ref()
Btrfs: return error to caller if read_one_inode() fails
Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item
Btrfs: return error code to caller when btrfs_del_item fails
Btrfs: return error code to caller when btrfs_previous_item fails
btrfs: fix typo 'testeing' -> 'testing'
btrfs: typo: 'btrfS' -> 'btrfs'
...
Diffstat (limited to 'fs/btrfs/export.c')
-rw-r--r-- | fs/btrfs/export.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index b4ffad859ad..1b8dc33778f 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -32,7 +32,7 @@ static int btrfs_encode_fh(struct dentry *dentry, u32 *fh, int *max_len, len = BTRFS_FID_SIZE_NON_CONNECTABLE; type = FILEID_BTRFS_WITHOUT_PARENT; - fid->objectid = inode->i_ino; + fid->objectid = btrfs_ino(inode); fid->root_objectid = BTRFS_I(inode)->root->objectid; fid->gen = inode->i_generation; @@ -178,13 +178,13 @@ static struct dentry *btrfs_get_parent(struct dentry *child) if (!path) return ERR_PTR(-ENOMEM); - if (dir->i_ino == BTRFS_FIRST_FREE_OBJECTID) { + if (btrfs_ino(dir) == BTRFS_FIRST_FREE_OBJECTID) { key.objectid = root->root_key.objectid; key.type = BTRFS_ROOT_BACKREF_KEY; key.offset = (u64)-1; root = root->fs_info->tree_root; } else { - key.objectid = dir->i_ino; + key.objectid = btrfs_ino(dir); key.type = BTRFS_INODE_REF_KEY; key.offset = (u64)-1; } @@ -244,6 +244,7 @@ static int btrfs_get_name(struct dentry *parent, char *name, struct btrfs_key key; int name_len; int ret; + u64 ino; if (!dir || !inode) return -EINVAL; @@ -251,19 +252,21 @@ static int btrfs_get_name(struct dentry *parent, char *name, if (!S_ISDIR(dir->i_mode)) return -EINVAL; + ino = btrfs_ino(inode); + path = btrfs_alloc_path(); if (!path) return -ENOMEM; path->leave_spinning = 1; - if (inode->i_ino == BTRFS_FIRST_FREE_OBJECTID) { + if (ino == BTRFS_FIRST_FREE_OBJECTID) { key.objectid = BTRFS_I(inode)->root->root_key.objectid; key.type = BTRFS_ROOT_BACKREF_KEY; key.offset = (u64)-1; root = root->fs_info->tree_root; } else { - key.objectid = inode->i_ino; - key.offset = dir->i_ino; + key.objectid = ino; + key.offset = btrfs_ino(dir); key.type = BTRFS_INODE_REF_KEY; } @@ -272,7 +275,7 @@ static int btrfs_get_name(struct dentry *parent, char *name, btrfs_free_path(path); return ret; } else if (ret > 0) { - if (inode->i_ino == BTRFS_FIRST_FREE_OBJECTID) { + if (ino == BTRFS_FIRST_FREE_OBJECTID) { path->slots[0]--; } else { btrfs_free_path(path); @@ -281,11 +284,11 @@ static int btrfs_get_name(struct dentry *parent, char *name, } leaf = path->nodes[0]; - if (inode->i_ino == BTRFS_FIRST_FREE_OBJECTID) { - rref = btrfs_item_ptr(leaf, path->slots[0], + if (ino == BTRFS_FIRST_FREE_OBJECTID) { + rref = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_root_ref); - name_ptr = (unsigned long)(rref + 1); - name_len = btrfs_root_ref_name_len(leaf, rref); + name_ptr = (unsigned long)(rref + 1); + name_len = btrfs_root_ref_name_len(leaf, rref); } else { iref = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_inode_ref); |