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Commit 8d391972ae2d ("gfs2: Remove __gfs2_writepage()") changed the log
flush code in gfs2_ail1_start_one() to call aops->writepages() instead
of aops->writepage(). For jdata inodes, this means that we will now try
to reserve log space and start a transaction before we can determine
that the pages in question have already been journaled. When this
happens in the context of gfs2_logd(), it can now appear that not enough
log space is available for freeing up log space, and we will lock up.
Fix that by issuing journal writes directly instead of going through
aops->writepages() in the log flush code.
Fixes: 8d391972ae2d ("gfs2: Remove __gfs2_writepage()")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Move gfs2_trans_add_databufs() to trans.c. Pass in a glock instead of
a gfs2_inode.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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For non-static function declarations, external linkage is implied and
the 'extern' keyword isn't needed. Some static checkers complain about
the overuse of 'extern', so clean up all the function declarations.
In addition, remove 'extern' from the definition of
free_local_statfs_inodes(); it isn't needed there, either.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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We may someday support folios larger than 4GB, so use a size_t for the
byte count within a folio to prevent unpleasant truncations.
Link: https://lkml.kernel.org/r/20230612210141.730128-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Convert gfs2_page_add_databufs() to folios and rename it to
gfs2_trans_add_databufs().
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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This function was overlooked when the write_begin and write_end address space
operations were removed as part of gfs2's iomap conversion.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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With the traditional page-based writes, blocks are allocated separately
for each page written to. With iomap writes, we can allocate a lot more
blocks at once, with a fraction of the allocation overhead for each
page.
Split calculating the number of blocks that can be allocated at a given
position (gfs2_alloc_size) off from gfs2_iomap_alloc: that size
determines the number of blocks to allocate and reserve in the journal.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
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