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Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: Fix error path in gfs2_lookup_by_inum() GFS2: remove iopen glocks from cache on failed deletes
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commit
b06ae1ead2
@ -74,16 +74,14 @@ static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr)
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}
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/**
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* GFS2 lookup code fills in vfs inode contents based on info obtained
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* from directory entry inside gfs2_inode_lookup(). This has caused issues
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* with NFS code path since its get_dentry routine doesn't have the relevant
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* directory entry when gfs2_inode_lookup() is invoked. Part of the code
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* segment inside gfs2_inode_lookup code needs to get moved around.
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* gfs2_set_iop - Sets inode operations
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* @inode: The inode with correct i_mode filled in
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*
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* Clears I_NEW as well.
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**/
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* GFS2 lookup code fills in vfs inode contents based on info obtained
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* from directory entry inside gfs2_inode_lookup().
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*/
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void gfs2_set_iop(struct inode *inode)
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static void gfs2_set_iop(struct inode *inode)
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{
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struct gfs2_sbd *sdp = GFS2_SB(inode);
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umode_t mode = inode->i_mode;
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@ -106,8 +104,6 @@ void gfs2_set_iop(struct inode *inode)
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inode->i_op = &gfs2_file_iops;
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init_special_inode(inode, inode->i_mode, inode->i_rdev);
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}
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unlock_new_inode(inode);
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}
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/**
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@ -119,10 +115,8 @@ void gfs2_set_iop(struct inode *inode)
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* Returns: A VFS inode, or an error
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*/
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struct inode *gfs2_inode_lookup(struct super_block *sb,
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unsigned int type,
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u64 no_addr,
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u64 no_formal_ino)
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struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
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u64 no_addr, u64 no_formal_ino)
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{
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struct inode *inode;
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struct gfs2_inode *ip;
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@ -152,51 +146,37 @@ struct inode *gfs2_inode_lookup(struct super_block *sb,
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error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
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if (unlikely(error))
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goto fail_iopen;
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ip->i_iopen_gh.gh_gl->gl_object = ip;
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ip->i_iopen_gh.gh_gl->gl_object = ip;
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gfs2_glock_put(io_gl);
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io_gl = NULL;
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if ((type == DT_UNKNOWN) && (no_formal_ino == 0))
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goto gfs2_nfsbypass;
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inode->i_mode = DT2IF(type);
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/*
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* We must read the inode in order to work out its type in
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* this case. Note that this doesn't happen often as we normally
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* know the type beforehand. This code path only occurs during
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* unlinked inode recovery (where it is safe to do this glock,
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* which is not true in the general case).
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*/
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if (type == DT_UNKNOWN) {
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struct gfs2_holder gh;
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error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
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if (unlikely(error))
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goto fail_glock;
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/* Inode is now uptodate */
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gfs2_glock_dq_uninit(&gh);
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/* Inode glock must be locked already */
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error = gfs2_inode_refresh(GFS2_I(inode));
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if (error)
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goto fail_refresh;
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} else {
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inode->i_mode = DT2IF(type);
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}
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gfs2_set_iop(inode);
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unlock_new_inode(inode);
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}
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gfs2_nfsbypass:
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return inode;
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fail_glock:
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gfs2_glock_dq(&ip->i_iopen_gh);
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fail_refresh:
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ip->i_iopen_gh.gh_gl->gl_object = NULL;
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gfs2_glock_dq_uninit(&ip->i_iopen_gh);
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fail_iopen:
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if (io_gl)
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gfs2_glock_put(io_gl);
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fail_put:
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if (inode->i_state & I_NEW)
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ip->i_gl->gl_object = NULL;
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ip->i_gl->gl_object = NULL;
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gfs2_glock_put(ip->i_gl);
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fail:
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if (inode->i_state & I_NEW)
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iget_failed(inode);
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else
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iput(inode);
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iget_failed(inode);
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return ERR_PTR(error);
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}
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@ -221,14 +201,6 @@ struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
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if (IS_ERR(inode))
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goto fail;
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error = gfs2_inode_refresh(GFS2_I(inode));
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if (error)
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goto fail_iput;
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/* Pick up the works we bypass in gfs2_inode_lookup */
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if (inode->i_state & I_NEW)
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gfs2_set_iop(inode);
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/* Two extra checks for NFS only */
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if (no_formal_ino) {
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error = -ESTALE;
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@ -96,7 +96,6 @@ err:
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return -EIO;
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}
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extern void gfs2_set_iop(struct inode *inode);
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extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
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u64 no_addr, u64 no_formal_ino);
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extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
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@ -1336,6 +1336,7 @@ static void gfs2_evict_inode(struct inode *inode)
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if (error)
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goto out_truncate;
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ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
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gfs2_glock_dq_wait(&ip->i_iopen_gh);
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gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);
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error = gfs2_glock_nq(&ip->i_iopen_gh);
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