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| author | Yan, Zheng <zheng.z.yan@intel.com> | 2014-02-28 16:36:09 +0800 |
|---|---|---|
| committer | Yan, Zheng <zheng.z.yan@intel.com> | 2014-04-03 10:33:52 +0800 |
| commit | dcd3cc05e5f230f8fbc0c3369a5d6ad4f1d23aed (patch) | |
| tree | c1ba50848987dc38cb884e5d5e62162a3ab03a14 /fs/ceph/dir.c | |
| parent | f0494206076703aaa0c8005eff41c413216ae26b (diff) | |
| download | blackbird-op-linux-dcd3cc05e5f230f8fbc0c3369a5d6ad4f1d23aed.tar.gz blackbird-op-linux-dcd3cc05e5f230f8fbc0c3369a5d6ad4f1d23aed.zip | |
ceph: fix reset_readdir()
When changing readdir postion, fi->next_offset should be set to 0
if the new postion is not in the first dirfrag.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index a7eaf9692aa6..8ce8833e9c02 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -454,7 +454,7 @@ more: return 0; } -static void reset_readdir(struct ceph_file_info *fi) +static void reset_readdir(struct ceph_file_info *fi, unsigned frag) { if (fi->last_readdir) { ceph_mdsc_put_request(fi->last_readdir); @@ -462,7 +462,10 @@ static void reset_readdir(struct ceph_file_info *fi) } kfree(fi->last_name); fi->last_name = NULL; - fi->next_offset = 2; /* compensate for . and .. */ + if (ceph_frag_is_leftmost(frag)) + fi->next_offset = 2; /* compensate for . and .. */ + else + fi->next_offset = 0; if (fi->dentry) { dput(fi->dentry); fi->dentry = NULL; @@ -507,7 +510,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int whence) fpos_frag(offset) != fi->frag || fpos_off(offset) < fi->offset) { dout("dir_llseek dropping %p content\n", file); - reset_readdir(fi); + reset_readdir(fi, fpos_frag(offset)); } /* bump dir_release_count if we did a forward seek */ |
