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| author | Sage Weil <sage@newdream.net> | 2009-12-02 11:54:25 -0800 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2009-12-03 14:59:48 -0800 |
| commit | 1d1de9160e0d8aff0d67a21137b62e63ffd6f184 (patch) | |
| tree | 45482bacc25511428b150424f0bdb934b6d9bf73 /fs/ceph | |
| parent | 50b885b96c903e420a1eac54dd27626244704a06 (diff) | |
| download | op-kernel-dev-1d1de9160e0d8aff0d67a21137b62e63ffd6f184.zip op-kernel-dev-1d1de9160e0d8aff0d67a21137b62e63ffd6f184.tar.gz | |
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')
| -rw-r--r-- | fs/ceph/ceph_fs.h | 1 | ||||
| -rw-r--r-- | fs/ceph/dir.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h index 4e5f49c..699196a 100644 --- a/fs/ceph/ceph_fs.h +++ b/fs/ceph/ceph_fs.h @@ -44,6 +44,7 @@ #define CEPH_INO_ROOT 1 +#define CEPH_INO_CEPH 2 /* hidden .ceph dir */ /* arbitrary limit on max # of monitors (cluster of 3 is typical) */ #define CEPH_MAX_MON 31 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++; |
