[PATCH v4 23/27] gfs2: clean up some filemap_* calls
From: Jeff Layton <hidden>
Date: 2017-05-09 15:49:26
Also in:
linux-btrfs, linux-cifs, linux-ext4, linux-f2fs-devel, linux-fsdevel, linux-mm, linux-nfs, linux-xfs, lkml
Subsystem:
filesystems (vfs and infrastructure), gfs2 file system, the rest · Maintainers:
Alexander Viro, Christian Brauner, Andreas Gruenbacher, Linus Torvalds
In some places, it's trying to reset the mapping error after calling filemap_fdatawait. That's no longer required. Also, turn several filemap_fdatawrite+filemap_fdatawait calls into filemap_write_and_wait. That will at least return writeback errors that occur during the write phase. Signed-off-by: Jeff Layton <redacted> --- fs/gfs2/glops.c | 17 ++++------------- fs/gfs2/lops.c | 4 +--- fs/gfs2/super.c | 6 ++---- 3 files changed, 7 insertions(+), 20 deletions(-)
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 5db59d444838..18ab54e351d6 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c@@ -145,7 +145,6 @@ static void rgrp_go_sync(struct gfs2_glock *gl) struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct address_space *mapping = &sdp->sd_aspace; struct gfs2_rgrpd *rgd; - int error; spin_lock(&gl->gl_lockref.lock); rgd = gl->gl_object;
@@ -158,9 +157,7 @@ static void rgrp_go_sync(struct gfs2_glock *gl) GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE); gfs2_log_flush(sdp, gl, NORMAL_FLUSH); - filemap_fdatawrite_range(mapping, gl->gl_vm.start, gl->gl_vm.end); - error = filemap_fdatawait_range(mapping, gl->gl_vm.start, gl->gl_vm.end); - mapping_set_error(mapping, error); + filemap_write_and_wait_range(mapping, gl->gl_vm.start, gl->gl_vm.end); gfs2_ail_empty_gl(gl); spin_lock(&gl->gl_lockref.lock);
@@ -207,7 +204,6 @@ static void inode_go_sync(struct gfs2_glock *gl) { struct gfs2_inode *ip = gl->gl_object; struct address_space *metamapping = gfs2_glock2aspace(gl); - int error; if (ip && !S_ISREG(ip->i_inode.i_mode)) ip = NULL;
@@ -223,14 +219,9 @@ static void inode_go_sync(struct gfs2_glock *gl) gfs2_log_flush(gl->gl_name.ln_sbd, gl, NORMAL_FLUSH); filemap_fdatawrite(metamapping); - if (ip) { - struct address_space *mapping = ip->i_inode.i_mapping; - filemap_fdatawrite(mapping); - error = filemap_fdatawait(mapping); - mapping_set_error(mapping, error); - } - error = filemap_fdatawait(metamapping); - mapping_set_error(metamapping, error); + if (ip) + filemap_write_and_wait(ip->i_inode.i_mapping); + filemap_fdatawait(metamapping); gfs2_ail_empty_gl(gl); /* * Writeback of the data mapping may cause the dirty flag to be set
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index cd7857ab1a6a..614bb974b927 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c@@ -586,9 +586,7 @@ static void gfs2_meta_sync(struct gfs2_glock *gl) if (mapping == NULL) mapping = &sdp->sd_aspace; - filemap_fdatawrite(mapping); - error = filemap_fdatawait(mapping); - + error = filemap_write_and_wait(mapping); if (error) gfs2_io_error(gl->gl_name.ln_sbd); }
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 361796a84fce..675c39566ea1 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c@@ -1593,10 +1593,8 @@ static void gfs2_evict_inode(struct inode *inode) out_truncate: gfs2_log_flush(sdp, ip->i_gl, NORMAL_FLUSH); metamapping = gfs2_glock2aspace(ip->i_gl); - if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) { - filemap_fdatawrite(metamapping); - filemap_fdatawait(metamapping); - } + if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) + filemap_write_and_wait(metamapping); write_inode_now(inode, 1); gfs2_ail_flush(ip->i_gl, 0);
--
2.9.3