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author | Sage Weil <sage@newdream.net> | 2009-12-02 11:54:25 -0800 |
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committer | Sage Weil <sage@newdream.net> | 2009-12-03 14:59:48 -0800 |
commit | 1d1de9160e0d8aff0d67a21137b62e63ffd6f184 (patch) | |
tree | 45482bacc25511428b150424f0bdb934b6d9bf73 /fs/ceph/dir.c | |
parent | 50b885b96c903e420a1eac54dd27626244704a06 (diff) | |
download | kernel_samsung_smdk4412-1d1de9160e0d8aff0d67a21137b62e63ffd6f184.zip kernel_samsung_smdk4412-1d1de9160e0d8aff0d67a21137b62e63ffd6f184.tar.gz kernel_samsung_smdk4412-1d1de9160e0d8aff0d67a21137b62e63ffd6f184.tar.bz2 |
ceph: hide /.ceph from readdir results
We need to skip /.ceph in (cached) readdir results, and exclude "/.ceph"
from the cached ENOENT lookup check.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r-- | fs/ceph/dir.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 32ef543..89ce3ba 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -132,6 +132,7 @@ more: } if (!d_unhashed(dentry) && dentry->d_inode && ceph_snap(dentry->d_inode) != CEPH_SNAPDIR && + ceph_ino(dentry->d_inode) != CEPH_INO_CEPH && filp->f_pos <= di->offset) break; dout(" skipping %p %.*s at %llu (%llu)%s%s\n", dentry, @@ -512,6 +513,12 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req, return dentry; } +static int is_root_ceph_dentry(struct inode *inode, struct dentry *dentry) +{ + return ceph_ino(inode) == CEPH_INO_ROOT && + strncmp(dentry->d_name.name, ".ceph", 5) == 0; +} + /* * Look up a single dir entry. If there is a lookup intent, inform * the MDS so that it gets our 'caps wanted' value in a single op. @@ -554,6 +561,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, if (strncmp(dentry->d_name.name, client->mount_args->snapdir_name, dentry->d_name.len) && + !is_root_ceph_dentry(dir, dentry) && (ci->i_ceph_flags & CEPH_I_COMPLETE) && (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) { di->offset = ci->i_max_offset++; |