diff options
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r-- | fs/gfs2/inode.c | 84 |
1 files changed, 33 insertions, 51 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 806357f0c7ee..d73b2933fdb8 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -40,37 +40,6 @@ static const struct inode_operations gfs2_file_iops; static const struct inode_operations gfs2_dir_iops; static const struct inode_operations gfs2_symlink_iops; -static int iget_test(struct inode *inode, void *opaque) -{ - u64 no_addr = *(u64 *)opaque; - - return GFS2_I(inode)->i_no_addr == no_addr; -} - -static int iget_set(struct inode *inode, void *opaque) -{ - u64 no_addr = *(u64 *)opaque; - - GFS2_I(inode)->i_no_addr = no_addr; - inode->i_ino = no_addr; - return 0; -} - -static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr) -{ - struct inode *inode; - -repeat: - inode = iget5_locked(sb, no_addr, iget_test, iget_set, &no_addr); - if (!inode) - return inode; - if (is_bad_inode(inode)) { - iput(inode); - goto repeat; - } - return inode; -} - /** * gfs2_set_iop - Sets inode operations * @inode: The inode with correct i_mode filled in @@ -104,6 +73,22 @@ static void gfs2_set_iop(struct inode *inode) } } +static int iget_test(struct inode *inode, void *opaque) +{ + u64 no_addr = *(u64 *)opaque; + + return GFS2_I(inode)->i_no_addr == no_addr; +} + +static int iget_set(struct inode *inode, void *opaque) +{ + u64 no_addr = *(u64 *)opaque; + + GFS2_I(inode)->i_no_addr = no_addr; + inode->i_ino = no_addr; + return 0; +} + /** * gfs2_inode_lookup - Lookup an inode * @sb: The super block @@ -132,12 +117,11 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, { struct inode *inode; struct gfs2_inode *ip; - struct gfs2_glock *io_gl = NULL; struct gfs2_holder i_gh; int error; gfs2_holder_mark_uninitialized(&i_gh); - inode = gfs2_iget(sb, no_addr); + inode = iget5_locked(sb, no_addr, iget_test, iget_set, &no_addr); if (!inode) return ERR_PTR(-ENOMEM); @@ -145,22 +129,16 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, if (inode->i_state & I_NEW) { struct gfs2_sbd *sdp = GFS2_SB(inode); + struct gfs2_glock *io_gl; error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); if (unlikely(error)) goto fail; - flush_delayed_work(&ip->i_gl->gl_work); - - error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); - if (unlikely(error)) - goto fail; - if (blktype != GFS2_BLKST_UNLINKED) - gfs2_cancel_delete_work(io_gl); if (type == DT_UNKNOWN || blktype != GFS2_BLKST_FREE) { /* * The GL_SKIP flag indicates to skip reading the inode - * block. We read the inode with gfs2_inode_refresh + * block. We read the inode when instantiating it * after possibly checking the block type. */ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, @@ -181,24 +159,31 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, } } - glock_set_object(ip->i_gl, ip); set_bit(GLF_INSTANTIATE_NEEDED, &ip->i_gl->gl_flags); - error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); + + error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); if (unlikely(error)) goto fail; - glock_set_object(ip->i_iopen_gh.gh_gl, ip); + if (blktype != GFS2_BLKST_UNLINKED) + gfs2_cancel_delete_work(io_gl); + error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); gfs2_glock_put(io_gl); - io_gl = NULL; + if (unlikely(error)) + goto fail; /* Lowest possible timestamp; will be overwritten in gfs2_dinode_in. */ inode->i_atime.tv_sec = 1LL << (8 * sizeof(inode->i_atime.tv_sec) - 1); inode->i_atime.tv_nsec = 0; + glock_set_object(ip->i_gl, ip); + if (type == DT_UNKNOWN) { /* Inode glock must be locked already */ error = gfs2_instantiate(&i_gh); - if (error) + if (error) { + glock_clear_object(ip->i_gl, ip); goto fail; + } } else { ip->i_no_formal_ino = no_formal_ino; inode->i_mode = DT2IF(type); @@ -206,6 +191,7 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, if (gfs2_holder_initialized(&i_gh)) gfs2_glock_dq_uninit(&i_gh); + glock_set_object(ip->i_iopen_gh.gh_gl, ip); gfs2_set_iop(inode); unlock_new_inode(inode); @@ -220,12 +206,8 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, return inode; fail: - if (gfs2_holder_initialized(&ip->i_iopen_gh)) { - glock_clear_object(ip->i_iopen_gh.gh_gl, ip); + if (gfs2_holder_initialized(&ip->i_iopen_gh)) gfs2_glock_dq_uninit(&ip->i_iopen_gh); - } - if (io_gl) - gfs2_glock_put(io_gl); if (gfs2_holder_initialized(&i_gh)) gfs2_glock_dq_uninit(&i_gh); iget_failed(inode); |