From: Andreas Gruenbacher <agruenba@redhat.com> To: cluster-devel@redhat.com, Christoph Hellwig <hch@lst.de> Cc: linux-fsdevel@vger.kernel.org, Andreas Gruenbacher <agruenba@redhat.com> Subject: [PATCH v7 05/12] fs: allow to always dirty inode in __generic_write_end Date: Mon, 4 Jun 2018 14:37:22 +0200 [thread overview] Message-ID: <20180604123729.23414-6-agruenba@redhat.com> (raw) In-Reply-To: <20180604123729.23414-1-agruenba@redhat.com> In __generic_write_end, we usually dirty the inode only when the file size changes. Allow to dirty the inode even when the file size stays the same; this will be used when writing to inline data stored in the inode. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/buffer.c | 9 ++++----- fs/internal.h | 2 +- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index cb5bbf22b1ce..a59d281ca51e 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2078,10 +2078,9 @@ int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len, EXPORT_SYMBOL(block_write_begin); int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, - struct page *page) + struct page *page, bool dirty_inode) { loff_t old_size = inode->i_size; - bool i_size_changed = false; /* * No need to use i_size_read() here, the i_size cannot change under us @@ -2092,7 +2091,7 @@ int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, */ if (pos + copied > inode->i_size) { i_size_write(inode, pos + copied); - i_size_changed = true; + dirty_inode = true; } unlock_page(page); @@ -2106,7 +2105,7 @@ int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, * ordering of page lock and transaction start for journaling * filesystems. */ - if (i_size_changed) + if (dirty_inode) mark_inode_dirty(inode); return copied; } @@ -2152,7 +2151,7 @@ int generic_write_end(struct file *file, struct address_space *mapping, struct page *page, void *fsdata) { copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); - return __generic_write_end(mapping->host, pos, copied, page); + return __generic_write_end(mapping->host, pos, copied, page, false); } EXPORT_SYMBOL(generic_write_end); diff --git a/fs/internal.h b/fs/internal.h index 4a18bdbd2214..8572af552285 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -44,7 +44,7 @@ extern void guard_bio_eod(int rw, struct bio *bio); extern int __block_write_begin_int(struct page *page, loff_t pos, unsigned len, get_block_t *get_block, struct iomap *iomap); int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, - struct page *page); + struct page *page, bool dirty_inode); /* * char_dev.c -- 2.17.0
WARNING: multiple messages have this Message-ID (diff)
From: Andreas Gruenbacher <agruenba@redhat.com> To: cluster-devel.redhat.com Subject: [Cluster-devel] [PATCH v7 05/12] fs: allow to always dirty inode in __generic_write_end Date: Mon, 4 Jun 2018 14:37:22 +0200 [thread overview] Message-ID: <20180604123729.23414-6-agruenba@redhat.com> (raw) In-Reply-To: <20180604123729.23414-1-agruenba@redhat.com> In __generic_write_end, we usually dirty the inode only when the file size changes. Allow to dirty the inode even when the file size stays the same; this will be used when writing to inline data stored in the inode. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/buffer.c | 9 ++++----- fs/internal.h | 2 +- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index cb5bbf22b1ce..a59d281ca51e 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2078,10 +2078,9 @@ int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len, EXPORT_SYMBOL(block_write_begin); int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, - struct page *page) + struct page *page, bool dirty_inode) { loff_t old_size = inode->i_size; - bool i_size_changed = false; /* * No need to use i_size_read() here, the i_size cannot change under us @@ -2092,7 +2091,7 @@ int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, */ if (pos + copied > inode->i_size) { i_size_write(inode, pos + copied); - i_size_changed = true; + dirty_inode = true; } unlock_page(page); @@ -2106,7 +2105,7 @@ int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, * ordering of page lock and transaction start for journaling * filesystems. */ - if (i_size_changed) + if (dirty_inode) mark_inode_dirty(inode); return copied; } @@ -2152,7 +2151,7 @@ int generic_write_end(struct file *file, struct address_space *mapping, struct page *page, void *fsdata) { copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); - return __generic_write_end(mapping->host, pos, copied, page); + return __generic_write_end(mapping->host, pos, copied, page, false); } EXPORT_SYMBOL(generic_write_end); diff --git a/fs/internal.h b/fs/internal.h index 4a18bdbd2214..8572af552285 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -44,7 +44,7 @@ extern void guard_bio_eod(int rw, struct bio *bio); extern int __block_write_begin_int(struct page *page, loff_t pos, unsigned len, get_block_t *get_block, struct iomap *iomap); int __generic_write_end(struct inode *inode, loff_t pos, unsigned copied, - struct page *page); + struct page *page, bool dirty_inode); /* * char_dev.c -- 2.17.0
next prev parent reply other threads:[~2018-06-04 12:37 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-04 12:37 [PATCH v7 00/12] gfs2 iomap write support Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 01/12] iomap: inline data should be an iomap type, not a flag Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 02/12] iomap: Mark newly allocated buffer heads as new Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 03/12] iomap: Complete partial direct I/O writes synchronously Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 04/12] fs: factor out a __generic_write_end helper Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` Andreas Gruenbacher [this message] 2018-06-04 12:37 ` [Cluster-devel] [PATCH v7 05/12] fs: allow to always dirty inode in __generic_write_end Andreas Gruenbacher 2018-06-04 12:48 ` Christoph Hellwig 2018-06-04 12:48 ` [Cluster-devel] " Christoph Hellwig 2018-06-04 16:24 ` Andreas Grünbacher 2018-06-04 16:24 ` [Cluster-devel] " Andreas Grünbacher 2018-06-04 12:37 ` [PATCH v7 06/12] iomap: Generic inline data handling Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 07/12] iomap: Add page_write_end iomap hook Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:50 ` Christoph Hellwig 2018-06-04 12:50 ` [Cluster-devel] " Christoph Hellwig 2018-06-04 16:40 ` Andreas Grünbacher 2018-06-04 16:40 ` [Cluster-devel] " Andreas Grünbacher 2018-06-04 12:37 ` [PATCH v7 08/12] gfs2: iomap buffered write support Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 09/12] gfs2: gfs2_extent_length cleanup Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 10/12] gfs2: iomap direct I/O support Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 11/12] gfs2: Remove gfs2_write_{begin,end} Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] [PATCH v7 11/12] gfs2: Remove gfs2_write_{begin, end} Andreas Gruenbacher 2018-06-04 12:37 ` [PATCH v7 12/12] iomap: Put struct iomap_ops into struct iomap Andreas Gruenbacher 2018-06-04 12:37 ` [Cluster-devel] " Andreas Gruenbacher 2018-06-04 12:52 ` Christoph Hellwig 2018-06-04 12:52 ` [Cluster-devel] " Christoph Hellwig 2018-06-04 17:00 ` Andreas Grünbacher 2018-06-04 17:00 ` [Cluster-devel] " Andreas Grünbacher
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