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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-06 00:38:37 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-06 00:38:37 +0400 |
| commit | ac7ac9f2b9bfd9b68a1571d27e4c8bebb4788914 (patch) | |
| tree | 02aa160e02f7f1f4a65a7f478e9a92c0b7ad0088 | |
| parent | ac89a9174decf343de049a06fad75681f71890eb (diff) | |
| parent | 8379e7c46cc48f51197dd663fc6676f47f2a1e71 (diff) | |
| download | linux-ac7ac9f2b9bfd9b68a1571d27e4c8bebb4788914.tar.xz | |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
ocfs2: ocfs2_write_begin_nolock() should handle len=0
ocfs2: invalidate dentry if its dentry_lock isn't initialized.
| -rw-r--r-- | fs/ocfs2/aops.c | 4 | ||||
| -rw-r--r-- | fs/ocfs2/dcache.c | 11 |
2 files changed, 13 insertions, 2 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index b401654011a2..8a1e61545f41 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1747,8 +1747,8 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, * we know zeros will only be needed in the first and/or last cluster. */ if (clusters_to_alloc || extents_to_split || - wc->w_desc[0].c_needs_zero || - wc->w_desc[wc->w_clen - 1].c_needs_zero) + (wc->w_clen && (wc->w_desc[0].c_needs_zero || + wc->w_desc[wc->w_clen - 1].c_needs_zero))) cluster_of_pages = 1; else cluster_of_pages = 0; diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index 2f28b7de2c8d..b4957c7d9fe2 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -85,6 +85,17 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, goto bail; } + /* + * If the last lookup failed to create dentry lock, let us + * redo it. + */ + if (!dentry->d_fsdata) { + mlog(0, "Inode %llu doesn't have dentry lock, " + "returning false\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno); + goto bail; + } + ret = 1; bail: |